Home / 54,966.88-82,322.04-40,139.02

Finding the Fourth Proportional to 54,966.88, 82,322.04 and 40,139.02

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Solution

The fourth proportional to 54,966.88, 82,322.04 and 40,139.02 is: 60,114.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,966.88 : 82,322.04 = 40,139.02 : x
  2. Step 2: Convert to fraction form
    54,966.88/82,322.04 = 40,139.02/x
  3. Step 3: Cross multiply
    54,966.88x = 82,322.04 × 40,139.02
  4. Step 4: Simplify right side
    54,966.88x = 3,304,326,010.00
  5. Step 5: Solve for x
    x = 3,304,326,010.00/54,966.88
  6. Step 6: Final answer
    x = 60,114.85

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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.