Home / 80,237.68-120,277.08-38,043.76

Finding the Fourth Proportional to 80,237.68, 120,277.08 and 38,043.76

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Solution

The fourth proportional to 80,237.68, 120,277.08 and 38,043.76 is: 57,027.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,237.68 : 120,277.08 = 38,043.76 : x
  2. Step 2: Convert to fraction form
    80,237.68/120,277.08 = 38,043.76/x
  3. Step 3: Cross multiply
    80,237.68x = 120,277.08 × 38,043.76
  4. Step 4: Simplify right side
    80,237.68x = 4,575,792,365.02
  5. Step 5: Solve for x
    x = 4,575,792,365.02/80,237.68
  6. Step 6: Final answer
    x = 57,027.97

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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.