Home / 83,954.28-125,317.17-73,990.07

Finding the Fourth Proportional to 83,954.28, 125,317.17 and 73,990.07

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Solution

The fourth proportional to 83,954.28, 125,317.17 and 73,990.07 is: 110,443.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,954.28 : 125,317.17 = 73,990.07 : x
  2. Step 2: Convert to fraction form
    83,954.28/125,317.17 = 73,990.07/x
  3. Step 3: Cross multiply
    83,954.28x = 125,317.17 × 73,990.07
  4. Step 4: Simplify right side
    83,954.28x = 9,272,225,553.92
  5. Step 5: Solve for x
    x = 9,272,225,553.92/83,954.28
  6. Step 6: Final answer
    x = 110,443.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.