Home / 89,750.24-123,754.16-57,442.56

Finding the Fourth Proportional to 89,750.24, 123,754.16 and 57,442.56

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Solution

The fourth proportional to 89,750.24, 123,754.16 and 57,442.56 is: 79,205.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,750.24 : 123,754.16 = 57,442.56 : x
  2. Step 2: Convert to fraction form
    89,750.24/123,754.16 = 57,442.56/x
  3. Step 3: Cross multiply
    89,750.24x = 123,754.16 × 57,442.56
  4. Step 4: Simplify right side
    89,750.24x = 7,108,755,761.05
  5. Step 5: Solve for x
    x = 7,108,755,761.05/89,750.24
  6. Step 6: Final answer
    x = 79,205.98

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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.