Home / 54,740.40-75,541.76-29,589.90

Finding the Fourth Proportional to 54,740.40, 75,541.76 and 29,589.90

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Solution

The fourth proportional to 54,740.40, 75,541.76 and 29,589.90 is: 40,834.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,740.40 : 75,541.76 = 29,589.90 : x
  2. Step 2: Convert to fraction form
    54,740.40/75,541.76 = 29,589.90/x
  3. Step 3: Cross multiply
    54,740.40x = 75,541.76 × 29,589.90
  4. Step 4: Simplify right side
    54,740.40x = 2,235,272,976.27
  5. Step 5: Solve for x
    x = 2,235,272,976.27/54,740.40
  6. Step 6: Final answer
    x = 40,834.06

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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.