Home / 89,552.61-123,541.27-57,731.76

Finding the Fourth Proportional to 89,552.61, 123,541.27 and 57,731.76

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Solution

The fourth proportional to 89,552.61, 123,541.27 and 57,731.76 is: 79,643.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,552.61 : 123,541.27 = 57,731.76 : x
  2. Step 2: Convert to fraction form
    89,552.61/123,541.27 = 57,731.76/x
  3. Step 3: Cross multiply
    89,552.61x = 123,541.27 × 57,731.76
  4. Step 4: Simplify right side
    89,552.61x = 7,132,254,805.41
  5. Step 5: Solve for x
    x = 7,132,254,805.41/89,552.61
  6. Step 6: Final answer
    x = 79,643.18

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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.