Home / 87,082.02-120,173.22-49,356.54

Finding the Fourth Proportional to 87,082.02, 120,173.22 and 49,356.54

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Solution

The fourth proportional to 87,082.02, 120,173.22 and 49,356.54 is: 68,112.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,082.02 : 120,173.22 = 49,356.54 : x
  2. Step 2: Convert to fraction form
    87,082.02/120,173.22 = 49,356.54/x
  3. Step 3: Cross multiply
    87,082.02x = 120,173.22 × 49,356.54
  4. Step 4: Simplify right side
    87,082.02x = 5,931,334,339.86
  5. Step 5: Solve for x
    x = 5,931,334,339.86/87,082.02
  6. Step 6: Final answer
    x = 68,112.04

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1.5x scale

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.