Home / 82,566.18-113,988.56-54,353.88

Finding the Fourth Proportional to 82,566.18, 113,988.56 and 54,353.88

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Solution

The fourth proportional to 82,566.18, 113,988.56 and 54,353.88 is: 75,039.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,566.18 : 113,988.56 = 54,353.88 : x
  2. Step 2: Convert to fraction form
    82,566.18/113,988.56 = 54,353.88/x
  3. Step 3: Cross multiply
    82,566.18x = 113,988.56 × 54,353.88
  4. Step 4: Simplify right side
    82,566.18x = 6,195,720,511.61
  5. Step 5: Solve for x
    x = 6,195,720,511.61/82,566.18
  6. Step 6: Final answer
    x = 75,039.45

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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.