Home / 83,901.10-125,523.60-54,376.60

Finding the Fourth Proportional to 83,901.10, 125,523.60 and 54,376.60

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Solution

The fourth proportional to 83,901.10, 125,523.60 and 54,376.60 is: 81,352.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,901.10 : 125,523.60 = 54,376.60 : x
  2. Step 2: Convert to fraction form
    83,901.10/125,523.60 = 54,376.60/x
  3. Step 3: Cross multiply
    83,901.10x = 125,523.60 × 54,376.60
  4. Step 4: Simplify right side
    83,901.10x = 6,825,546,587.76
  5. Step 5: Solve for x
    x = 6,825,546,587.76/83,901.10
  6. Step 6: Final answer
    x = 81,352.29

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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.