Home / 57,135.20-85,702.80-27,610.70

Finding the Fourth Proportional to 57,135.20, 85,702.80 and 27,610.70

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Solution

The fourth proportional to 57,135.20, 85,702.80 and 27,610.70 is: 41,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,135.20 : 85,702.80 = 27,610.70 : x
  2. Step 2: Convert to fraction form
    57,135.20/85,702.80 = 27,610.70/x
  3. Step 3: Cross multiply
    57,135.20x = 85,702.80 × 27,610.70
  4. Step 4: Simplify right side
    57,135.20x = 2,366,314,299.96
  5. Step 5: Solve for x
    x = 2,366,314,299.96/57,135.20
  6. Step 6: Final answer
    x = 41,416.05

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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.