Home / 65,819.55-90,766.26-60,355.70

Finding the Fourth Proportional to 65,819.55, 90,766.26 and 60,355.70

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Solution

The fourth proportional to 65,819.55, 90,766.26 and 60,355.70 is: 83,231.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,819.55 : 90,766.26 = 60,355.70 : x
  2. Step 2: Convert to fraction form
    65,819.55/90,766.26 = 60,355.70/x
  3. Step 3: Cross multiply
    65,819.55x = 90,766.26 × 60,355.70
  4. Step 4: Simplify right side
    65,819.55x = 5,478,261,158.68
  5. Step 5: Solve for x
    x = 5,478,261,158.68/65,819.55
  6. Step 6: Final answer
    x = 83,231.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.