Home / 57,711.60-86,567.40-54,255.60

Finding the Fourth Proportional to 57,711.60, 86,567.40 and 54,255.60

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Solution

The fourth proportional to 57,711.60, 86,567.40 and 54,255.60 is: 81,383.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,711.60 : 86,567.40 = 54,255.60 : x
  2. Step 2: Convert to fraction form
    57,711.60/86,567.40 = 54,255.60/x
  3. Step 3: Cross multiply
    57,711.60x = 86,567.40 × 54,255.60
  4. Step 4: Simplify right side
    57,711.60x = 4,696,766,227.44
  5. Step 5: Solve for x
    x = 4,696,766,227.44/57,711.60
  6. Step 6: Final answer
    x = 81,383.40

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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.