Home / 89,232.71-123,142.77-48,948.53

Finding the Fourth Proportional to 89,232.71, 123,142.77 and 48,948.53

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Solution

The fourth proportional to 89,232.71, 123,142.77 and 48,948.53 is: 67,549.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,232.71 : 123,142.77 = 48,948.53 : x
  2. Step 2: Convert to fraction form
    89,232.71/123,142.77 = 48,948.53/x
  3. Step 3: Cross multiply
    89,232.71x = 123,142.77 × 48,948.53
  4. Step 4: Simplify right side
    89,232.71x = 6,027,656,955.91
  5. Step 5: Solve for x
    x = 6,027,656,955.91/89,232.71
  6. Step 6: Final answer
    x = 67,549.86

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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.