Home / 81,044.28-111,841.38-45,233.64

Finding the Fourth Proportional to 81,044.28, 111,841.38 and 45,233.64

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Solution

The fourth proportional to 81,044.28, 111,841.38 and 45,233.64 is: 62,422.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,044.28 : 111,841.38 = 45,233.64 : x
  2. Step 2: Convert to fraction form
    81,044.28/111,841.38 = 45,233.64/x
  3. Step 3: Cross multiply
    81,044.28x = 111,841.38 × 45,233.64
  4. Step 4: Simplify right side
    81,044.28x = 5,058,992,720.02
  5. Step 5: Solve for x
    x = 5,058,992,720.02/81,044.28
  6. Step 6: Final answer
    x = 62,422.58

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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.