Home / 71,427.15-107,155.71-27,052.92

Finding the Fourth Proportional to 71,427.15, 107,155.71 and 27,052.92

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Solution

The fourth proportional to 71,427.15, 107,155.71 and 27,052.92 is: 40,585.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,427.15 : 107,155.71 = 27,052.92 : x
  2. Step 2: Convert to fraction form
    71,427.15/107,155.71 = 27,052.92/x
  3. Step 3: Cross multiply
    71,427.15x = 107,155.71 × 27,052.92
  4. Step 4: Simplify right side
    71,427.15x = 2,898,874,850.17
  5. Step 5: Solve for x
    x = 2,898,874,850.17/71,427.15
  6. Step 6: Final answer
    x = 40,585.06

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1.5x scale

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.