Home / 54,333.10-81,390.30-37,711.90

Finding the Fourth Proportional to 54,333.10, 81,390.30 and 37,711.90

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Solution

The fourth proportional to 54,333.10, 81,390.30 and 37,711.90 is: 56,491.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,333.10 : 81,390.30 = 37,711.90 : x
  2. Step 2: Convert to fraction form
    54,333.10/81,390.30 = 37,711.90/x
  3. Step 3: Cross multiply
    54,333.10x = 81,390.30 × 37,711.90
  4. Step 4: Simplify right side
    54,333.10x = 3,069,382,854.57
  5. Step 5: Solve for x
    x = 3,069,382,854.57/54,333.10
  6. Step 6: Final answer
    x = 56,491.95

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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.