Home / 70,531.35-97,333.38-38,700.49

Finding the Fourth Proportional to 70,531.35, 97,333.38 and 38,700.49

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Solution

The fourth proportional to 70,531.35, 97,333.38 and 38,700.49 is: 53,406.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,531.35 : 97,333.38 = 38,700.49 : x
  2. Step 2: Convert to fraction form
    70,531.35/97,333.38 = 38,700.49/x
  3. Step 3: Cross multiply
    70,531.35x = 97,333.38 × 38,700.49
  4. Step 4: Simplify right side
    70,531.35x = 3,766,849,499.36
  5. Step 5: Solve for x
    x = 3,766,849,499.36/70,531.35
  6. Step 6: Final answer
    x = 53,406.74

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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.