Home / 89,389.13-134,081.94-36,079.70

Finding the Fourth Proportional to 89,389.13, 134,081.94 and 36,079.70

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Solution

The fourth proportional to 89,389.13, 134,081.94 and 36,079.70 is: 54,118.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,389.13 : 134,081.94 = 36,079.70 : x
  2. Step 2: Convert to fraction form
    89,389.13/134,081.94 = 36,079.70/x
  3. Step 3: Cross multiply
    89,389.13x = 134,081.94 × 36,079.70
  4. Step 4: Simplify right side
    89,389.13x = 4,837,635,500.21
  5. Step 5: Solve for x
    x = 4,837,635,500.21/89,389.13
  6. Step 6: Final answer
    x = 54,118.83

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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.