Home / 62,691.30-86,511.33-34,395.12

Finding the Fourth Proportional to 62,691.30, 86,511.33 and 34,395.12

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Solution

The fourth proportional to 62,691.30, 86,511.33 and 34,395.12 is: 47,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,691.30 : 86,511.33 = 34,395.12 : x
  2. Step 2: Convert to fraction form
    62,691.30/86,511.33 = 34,395.12/x
  3. Step 3: Cross multiply
    62,691.30x = 86,511.33 × 34,395.12
  4. Step 4: Simplify right side
    62,691.30x = 2,975,567,576.71
  5. Step 5: Solve for x
    x = 2,975,567,576.71/62,691.30
  6. Step 6: Final answer
    x = 47,463.80

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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.