Home / 57,216.70-85,825.05-52,147.90

Finding the Fourth Proportional to 57,216.70, 85,825.05 and 52,147.90

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Solution

The fourth proportional to 57,216.70, 85,825.05 and 52,147.90 is: 78,221.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,216.70 : 85,825.05 = 52,147.90 : x
  2. Step 2: Convert to fraction form
    57,216.70/85,825.05 = 52,147.90/x
  3. Step 3: Cross multiply
    57,216.70x = 85,825.05 × 52,147.90
  4. Step 4: Simplify right side
    57,216.70x = 4,475,596,124.90
  5. Step 5: Solve for x
    x = 4,475,596,124.90/57,216.70
  6. Step 6: Final answer
    x = 78,221.85

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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.