Home / 89,452.70-123,456.41-57,713.93

Finding the Fourth Proportional to 89,452.70, 123,456.41 and 57,713.93

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Solution

The fourth proportional to 89,452.70, 123,456.41 and 57,713.93 is: 79,652.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,452.70 : 123,456.41 = 57,713.93 : x
  2. Step 2: Convert to fraction form
    89,452.70/123,456.41 = 57,713.93/x
  3. Step 3: Cross multiply
    89,452.70x = 123,456.41 × 57,713.93
  4. Step 4: Simplify right side
    89,452.70x = 7,125,154,316.22
  5. Step 5: Solve for x
    x = 7,125,154,316.22/89,452.70
  6. Step 6: Final answer
    x = 79,652.76

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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.