Home / 89,247.28-123,244.59-57,472.06

Finding the Fourth Proportional to 89,247.28, 123,244.59 and 57,472.06

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Solution

The fourth proportional to 89,247.28, 123,244.59 and 57,472.06 is: 79,365.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,247.28 : 123,244.59 = 57,472.06 : x
  2. Step 2: Convert to fraction form
    89,247.28/123,244.59 = 57,472.06/x
  3. Step 3: Cross multiply
    89,247.28x = 123,244.59 × 57,472.06
  4. Step 4: Simplify right side
    89,247.28x = 7,083,120,471.16
  5. Step 5: Solve for x
    x = 7,083,120,471.16/89,247.28
  6. Step 6: Final answer
    x = 79,365.11

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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.