Home / 53,909.72-74,395.92-29,711.57

Finding the Fourth Proportional to 53,909.72, 74,395.92 and 29,711.57

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Solution

The fourth proportional to 53,909.72, 74,395.92 and 29,711.57 is: 41,002.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,909.72 : 74,395.92 = 29,711.57 : x
  2. Step 2: Convert to fraction form
    53,909.72/74,395.92 = 29,711.57/x
  3. Step 3: Cross multiply
    53,909.72x = 74,395.92 × 29,711.57
  4. Step 4: Simplify right side
    53,909.72x = 2,210,419,742.71
  5. Step 5: Solve for x
    x = 2,210,419,742.71/53,909.72
  6. Step 6: Final answer
    x = 41,002.25

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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.