Home / 125,938.38-188,944.33-47,034.46

Finding the Fourth Proportional to 125,938.38, 188,944.33 and 47,034.46

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Solution

The fourth proportional to 125,938.38, 188,944.33 and 47,034.46 is: 70,565.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,938.38 : 188,944.33 = 47,034.46 : x
  2. Step 2: Convert to fraction form
    125,938.38/188,944.33 = 47,034.46/x
  3. Step 3: Cross multiply
    125,938.38x = 188,944.33 × 47,034.46
  4. Step 4: Simplify right side
    125,938.38x = 8,886,894,531.61
  5. Step 5: Solve for x
    x = 8,886,894,531.61/125,938.38
  6. Step 6: Final answer
    x = 70,565.42

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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.