Home / 89,883.12-134,711.28-45,521.04

Finding the Fourth Proportional to 89,883.12, 134,711.28 and 45,521.04

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Solution

The fourth proportional to 89,883.12, 134,711.28 and 45,521.04 is: 68,224.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,883.12 : 134,711.28 = 45,521.04 : x
  2. Step 2: Convert to fraction form
    89,883.12/134,711.28 = 45,521.04/x
  3. Step 3: Cross multiply
    89,883.12x = 134,711.28 × 45,521.04
  4. Step 4: Simplify right side
    89,883.12x = 6,132,197,565.33
  5. Step 5: Solve for x
    x = 6,132,197,565.33/89,883.12
  6. Step 6: Final answer
    x = 68,224.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.