Home / 62,720.10-86,553.45-34,425.18

Finding the Fourth Proportional to 62,720.10, 86,553.45 and 34,425.18

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Solution

The fourth proportional to 62,720.10, 86,553.45 and 34,425.18 is: 47,506.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,720.10 : 86,553.45 = 34,425.18 : x
  2. Step 2: Convert to fraction form
    62,720.10/86,553.45 = 34,425.18/x
  3. Step 3: Cross multiply
    62,720.10x = 86,553.45 × 34,425.18
  4. Step 4: Simplify right side
    62,720.10x = 2,979,618,095.87
  5. Step 5: Solve for x
    x = 2,979,618,095.87/62,720.10
  6. Step 6: Final answer
    x = 47,506.59

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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.