Home / 54,217.59-74,828.16-31,242.96

Finding the Fourth Proportional to 54,217.59, 74,828.16 and 31,242.96

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Solution

The fourth proportional to 54,217.59, 74,828.16 and 31,242.96 is: 43,119.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,217.59 : 74,828.16 = 31,242.96 : x
  2. Step 2: Convert to fraction form
    54,217.59/74,828.16 = 31,242.96/x
  3. Step 3: Cross multiply
    54,217.59x = 74,828.16 × 31,242.96
  4. Step 4: Simplify right side
    54,217.59x = 2,337,853,209.75
  5. Step 5: Solve for x
    x = 2,337,853,209.75/54,217.59
  6. Step 6: Final answer
    x = 43,119.83

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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.