Home / 89,680.70-134,538.78-26,501.96

Finding the Fourth Proportional to 89,680.70, 134,538.78 and 26,501.96

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Solution

The fourth proportional to 89,680.70, 134,538.78 and 26,501.96 is: 39,758.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,680.70 : 134,538.78 = 26,501.96 : x
  2. Step 2: Convert to fraction form
    89,680.70/134,538.78 = 26,501.96/x
  3. Step 3: Cross multiply
    89,680.70x = 134,538.78 × 26,501.96
  4. Step 4: Simplify right side
    89,680.70x = 3,565,541,366.01
  5. Step 5: Solve for x
    x = 3,565,541,366.01/89,680.70
  6. Step 6: Final answer
    x = 39,758.18

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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.