Home / 62,720.10-86,549.85-34,425.59

Finding the Fourth Proportional to 62,720.10, 86,549.85 and 34,425.59

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Solution

The fourth proportional to 62,720.10, 86,549.85 and 34,425.59 is: 47,505.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,720.10 : 86,549.85 = 34,425.59 : x
  2. Step 2: Convert to fraction form
    62,720.10/86,549.85 = 34,425.59/x
  3. Step 3: Cross multiply
    62,720.10x = 86,549.85 × 34,425.59
  4. Step 4: Simplify right side
    62,720.10x = 2,979,529,217.91
  5. Step 5: Solve for x
    x = 2,979,529,217.91/62,720.10
  6. Step 6: Final answer
    x = 47,505.17

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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.