Home / 80,750.87-121,126.34-36,325.73

Finding the Fourth Proportional to 80,750.87, 121,126.34 and 36,325.73

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Solution

The fourth proportional to 80,750.87, 121,126.34 and 36,325.73 is: 54,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,750.87 : 121,126.34 = 36,325.73 : x
  2. Step 2: Convert to fraction form
    80,750.87/121,126.34 = 36,325.73/x
  3. Step 3: Cross multiply
    80,750.87x = 121,126.34 × 36,325.73
  4. Step 4: Simplify right side
    80,750.87x = 4,400,001,935.47
  5. Step 5: Solve for x
    x = 4,400,001,935.47/80,750.87
  6. Step 6: Final answer
    x = 54,488.60

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1.5x scale

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.