Home / 57,352.60-85,856.10-51,131.80

Finding the Fourth Proportional to 57,352.60, 85,856.10 and 51,131.80

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Solution

The fourth proportional to 57,352.60, 85,856.10 and 51,131.80 is: 76,543.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,352.60 : 85,856.10 = 51,131.80 : x
  2. Step 2: Convert to fraction form
    57,352.60/85,856.10 = 51,131.80/x
  3. Step 3: Cross multiply
    57,352.60x = 85,856.10 × 51,131.80
  4. Step 4: Simplify right side
    57,352.60x = 4,389,976,933.98
  5. Step 5: Solve for x
    x = 4,389,976,933.98/57,352.60
  6. Step 6: Final answer
    x = 76,543.64

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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.