Home / 95,439.13-131,711.46-53,000.39

Finding the Fourth Proportional to 95,439.13, 131,711.46 and 53,000.39

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Solution

The fourth proportional to 95,439.13, 131,711.46 and 53,000.39 is: 73,143.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,439.13 : 131,711.46 = 53,000.39 : x
  2. Step 2: Convert to fraction form
    95,439.13/131,711.46 = 53,000.39/x
  3. Step 3: Cross multiply
    95,439.13x = 131,711.46 × 53,000.39
  4. Step 4: Simplify right side
    95,439.13x = 6,980,758,747.47
  5. Step 5: Solve for x
    x = 6,980,758,747.47/95,439.13
  6. Step 6: Final answer
    x = 73,143.57

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1.5x scale

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.