Home / 83,379.38-124,755.36-58,468.08

Finding the Fourth Proportional to 83,379.38, 124,755.36 and 58,468.08

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Solution

The fourth proportional to 83,379.38, 124,755.36 and 58,468.08 is: 87,482.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,379.38 : 124,755.36 = 58,468.08 : x
  2. Step 2: Convert to fraction form
    83,379.38/124,755.36 = 58,468.08/x
  3. Step 3: Cross multiply
    83,379.38x = 124,755.36 × 58,468.08
  4. Step 4: Simplify right side
    83,379.38x = 7,294,206,409.06
  5. Step 5: Solve for x
    x = 7,294,206,409.06/83,379.38
  6. Step 6: Final answer
    x = 87,482.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.