Home / 54,310.68-81,397.98-29,349.72

Finding the Fourth Proportional to 54,310.68, 81,397.98 and 29,349.72

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Solution

The fourth proportional to 54,310.68, 81,397.98 and 29,349.72 is: 43,987.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,310.68 : 81,397.98 = 29,349.72 : x
  2. Step 2: Convert to fraction form
    54,310.68/81,397.98 = 29,349.72/x
  3. Step 3: Cross multiply
    54,310.68x = 81,397.98 × 29,349.72
  4. Step 4: Simplify right side
    54,310.68x = 2,389,007,921.57
  5. Step 5: Solve for x
    x = 2,389,007,921.57/54,310.68
  6. Step 6: Final answer
    x = 43,987.81

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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.