Home / 89,664.17-123,736.91-53,854.79

Finding the Fourth Proportional to 89,664.17, 123,736.91 and 53,854.79

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Solution

The fourth proportional to 89,664.17, 123,736.91 and 53,854.79 is: 74,319.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,664.17 : 123,736.91 = 53,854.79 : x
  2. Step 2: Convert to fraction form
    89,664.17/123,736.91 = 53,854.79/x
  3. Step 3: Cross multiply
    89,664.17x = 123,736.91 × 53,854.79
  4. Step 4: Simplify right side
    89,664.17x = 6,663,824,415.34
  5. Step 5: Solve for x
    x = 6,663,824,415.34/89,664.17
  6. Step 6: Final answer
    x = 74,319.82

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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.