Home / 81,327.14-112,232.02-45,520.46

Finding the Fourth Proportional to 81,327.14, 112,232.02 and 45,520.46

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Solution

The fourth proportional to 81,327.14, 112,232.02 and 45,520.46 is: 62,818.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,327.14 : 112,232.02 = 45,520.46 : x
  2. Step 2: Convert to fraction form
    81,327.14/112,232.02 = 45,520.46/x
  3. Step 3: Cross multiply
    81,327.14x = 112,232.02 × 45,520.46
  4. Step 4: Simplify right side
    81,327.14x = 5,108,853,177.13
  5. Step 5: Solve for x
    x = 5,108,853,177.13/81,327.14
  6. Step 6: Final answer
    x = 62,818.55

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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.