Home / 91,792.64-137,467.18-52,229.92

Finding the Fourth Proportional to 91,792.64, 137,467.18 and 52,229.92

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Solution

The fourth proportional to 91,792.64, 137,467.18 and 52,229.92 is: 78,218.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,792.64 : 137,467.18 = 52,229.92 : x
  2. Step 2: Convert to fraction form
    91,792.64/137,467.18 = 52,229.92/x
  3. Step 3: Cross multiply
    91,792.64x = 137,467.18 × 52,229.92
  4. Step 4: Simplify right side
    91,792.64x = 7,179,899,814.03
  5. Step 5: Solve for x
    x = 7,179,899,814.03/91,792.64
  6. Step 6: Final answer
    x = 78,218.69

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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.