Home / 124,951.40-187,427.10-36,207.80

Finding the Fourth Proportional to 124,951.40, 187,427.10 and 36,207.80

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Solution

The fourth proportional to 124,951.40, 187,427.10 and 36,207.80 is: 54,311.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,951.40 : 187,427.10 = 36,207.80 : x
  2. Step 2: Convert to fraction form
    124,951.40/187,427.10 = 36,207.80/x
  3. Step 3: Cross multiply
    124,951.40x = 187,427.10 × 36,207.80
  4. Step 4: Simplify right side
    124,951.40x = 6,786,322,951.38
  5. Step 5: Solve for x
    x = 6,786,322,951.38/124,951.40
  6. Step 6: Final answer
    x = 54,311.70

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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.