Home / 54,322.20-81,386.10-44,407.80

Finding the Fourth Proportional to 54,322.20, 81,386.10 and 44,407.80

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Solution

The fourth proportional to 54,322.20, 81,386.10 and 44,407.80 is: 66,532.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,322.20 : 81,386.10 = 44,407.80 : x
  2. Step 2: Convert to fraction form
    54,322.20/81,386.10 = 44,407.80/x
  3. Step 3: Cross multiply
    54,322.20x = 81,386.10 × 44,407.80
  4. Step 4: Simplify right side
    54,322.20x = 3,614,177,651.58
  5. Step 5: Solve for x
    x = 3,614,177,651.58/54,322.20
  6. Step 6: Final answer
    x = 66,532.24

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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.