Home / 62,687.57-86,434.77-51,315.17

Finding the Fourth Proportional to 62,687.57, 86,434.77 and 51,315.17

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Solution

The fourth proportional to 62,687.57, 86,434.77 and 51,315.17 is: 70,754.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,687.57 : 86,434.77 = 51,315.17 : x
  2. Step 2: Convert to fraction form
    62,687.57/86,434.77 = 51,315.17/x
  3. Step 3: Cross multiply
    62,687.57x = 86,434.77 × 51,315.17
  4. Step 4: Simplify right side
    62,687.57x = 4,435,414,484.29
  5. Step 5: Solve for x
    x = 4,435,414,484.29/62,687.57
  6. Step 6: Final answer
    x = 70,754.30

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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.