Home / 88,664.38-122,338.92-56,411.80

Finding the Fourth Proportional to 88,664.38, 122,338.92 and 56,411.80

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Solution

The fourth proportional to 88,664.38, 122,338.92 and 56,411.80 is: 77,836.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,664.38 : 122,338.92 = 56,411.80 : x
  2. Step 2: Convert to fraction form
    88,664.38/122,338.92 = 56,411.80/x
  3. Step 3: Cross multiply
    88,664.38x = 122,338.92 × 56,411.80
  4. Step 4: Simplify right side
    88,664.38x = 6,901,358,592.95
  5. Step 5: Solve for x
    x = 6,901,358,592.95/88,664.38
  6. Step 6: Final answer
    x = 77,836.88

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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.