Home / 94,119.52-129,885.08-51,680.76

Finding the Fourth Proportional to 94,119.52, 129,885.08 and 51,680.76

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Solution

The fourth proportional to 94,119.52, 129,885.08 and 51,680.76 is: 71,319.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,119.52 : 129,885.08 = 51,680.76 : x
  2. Step 2: Convert to fraction form
    94,119.52/129,885.08 = 51,680.76/x
  3. Step 3: Cross multiply
    94,119.52x = 129,885.08 × 51,680.76
  4. Step 4: Simplify right side
    94,119.52x = 6,712,559,647.06
  5. Step 5: Solve for x
    x = 6,712,559,647.06/94,119.52
  6. Step 6: Final answer
    x = 71,319.53

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Half scale
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Double scale
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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.