Home / 57,320.60-85,835.10-54,696.20

Finding the Fourth Proportional to 57,320.60, 85,835.10 and 54,696.20

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Solution

The fourth proportional to 57,320.60, 85,835.10 and 54,696.20 is: 81,905.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,320.60 : 85,835.10 = 54,696.20 : x
  2. Step 2: Convert to fraction form
    57,320.60/85,835.10 = 54,696.20/x
  3. Step 3: Cross multiply
    57,320.60x = 85,835.10 × 54,696.20
  4. Step 4: Simplify right side
    57,320.60x = 4,694,853,796.62
  5. Step 5: Solve for x
    x = 4,694,853,796.62/57,320.60
  6. Step 6: Final answer
    x = 81,905.18

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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.