Home / 90,379.17-124,726.46-54,562.19

Finding the Fourth Proportional to 90,379.17, 124,726.46 and 54,562.19

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Solution

The fourth proportional to 90,379.17, 124,726.46 and 54,562.19 is: 75,297.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,379.17 : 124,726.46 = 54,562.19 : x
  2. Step 2: Convert to fraction form
    90,379.17/124,726.46 = 54,562.19/x
  3. Step 3: Cross multiply
    90,379.17x = 124,726.46 × 54,562.19
  4. Step 4: Simplify right side
    90,379.17x = 6,805,347,912.10
  5. Step 5: Solve for x
    x = 6,805,347,912.10/90,379.17
  6. Step 6: Final answer
    x = 75,297.75

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1.5x scale

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.