Home / 125,687.92-188,279.45-58,125.25

Finding the Fourth Proportional to 125,687.92, 188,279.45 and 58,125.25

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Solution

The fourth proportional to 125,687.92, 188,279.45 and 58,125.25 is: 87,071.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,687.92 : 188,279.45 = 58,125.25 : x
  2. Step 2: Convert to fraction form
    125,687.92/188,279.45 = 58,125.25/x
  3. Step 3: Cross multiply
    125,687.92x = 188,279.45 × 58,125.25
  4. Step 4: Simplify right side
    125,687.92x = 10,943,790,875.08
  5. Step 5: Solve for x
    x = 10,943,790,875.08/125,687.92
  6. Step 6: Final answer
    x = 87,071.14

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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.