Home / 80,037.02-120,040.12-37,330.66

Finding the Fourth Proportional to 80,037.02, 120,040.12 and 37,330.66

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Solution

The fourth proportional to 80,037.02, 120,040.12 and 37,330.66 is: 55,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,037.02 : 120,040.12 = 37,330.66 : x
  2. Step 2: Convert to fraction form
    80,037.02/120,040.12 = 37,330.66/x
  3. Step 3: Cross multiply
    80,037.02x = 120,040.12 × 37,330.66
  4. Step 4: Simplify right side
    80,037.02x = 4,481,176,906.08
  5. Step 5: Solve for x
    x = 4,481,176,906.08/80,037.02
  6. Step 6: Final answer
    x = 55,988.80

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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.