Home / 70,716.97-97,591.10-38,885.85

Finding the Fourth Proportional to 70,716.97, 97,591.10 and 38,885.85

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Solution

The fourth proportional to 70,716.97, 97,591.10 and 38,885.85 is: 53,663.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,716.97 : 97,591.10 = 38,885.85 : x
  2. Step 2: Convert to fraction form
    70,716.97/97,591.10 = 38,885.85/x
  3. Step 3: Cross multiply
    70,716.97x = 97,591.10 × 38,885.85
  4. Step 4: Simplify right side
    70,716.97x = 3,794,912,193.55
  5. Step 5: Solve for x
    x = 3,794,912,193.55/70,716.97
  6. Step 6: Final answer
    x = 53,663.39

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Half scale
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Double scale
Find fourth proportional to 70,717.97, 97,592.48 and 38,886.85
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.