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Finding the Fourth Proportional to 62,426, 86,149.44 and 37,897.10

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Solution

The fourth proportional to 62,426, 86,149.44 and 37,897.10 is: 52,298.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,426 : 86,149.44 = 37,897.10 : x
  2. Step 2: Convert to fraction form
    62,426/86,149.44 = 37,897.10/x
  3. Step 3: Cross multiply
    62,426x = 86,149.44 × 37,897.10
  4. Step 4: Simplify right side
    62,426x = 3,264,813,942.62
  5. Step 5: Solve for x
    x = 3,264,813,942.62/62,426
  6. Step 6: Final answer
    x = 52,298.95

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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.