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Finding the Fourth Proportional to 88,317.92, 132,476.88 and 51,356

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Solution

The fourth proportional to 88,317.92, 132,476.88 and 51,356 is: 77,034.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,317.92 : 132,476.88 = 51,356 : x
  2. Step 2: Convert to fraction form
    88,317.92/132,476.88 = 51,356/x
  3. Step 3: Cross multiply
    88,317.92x = 132,476.88 × 51,356
  4. Step 4: Simplify right side
    88,317.92x = 6,803,482,649.28
  5. Step 5: Solve for x
    x = 6,803,482,649.28/88,317.92
  6. Step 6: Final answer
    x = 77,034.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.