Home / 81,732.61-112,791.10-45,922.60

Finding the Fourth Proportional to 81,732.61, 112,791.10 and 45,922.60

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Solution

The fourth proportional to 81,732.61, 112,791.10 and 45,922.60 is: 63,373.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,732.61 : 112,791.10 = 45,922.60 : x
  2. Step 2: Convert to fraction form
    81,732.61/112,791.10 = 45,922.60/x
  3. Step 3: Cross multiply
    81,732.61x = 112,791.10 × 45,922.60
  4. Step 4: Simplify right side
    81,732.61x = 5,179,660,568.86
  5. Step 5: Solve for x
    x = 5,179,660,568.86/81,732.61
  6. Step 6: Final answer
    x = 63,373.24

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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.