Home / 89,934.91-134,890.06-26,764.78

Finding the Fourth Proportional to 89,934.91, 134,890.06 and 26,764.78

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Solution

The fourth proportional to 89,934.91, 134,890.06 and 26,764.78 is: 40,143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,934.91 : 134,890.06 = 26,764.78 : x
  2. Step 2: Convert to fraction form
    89,934.91/134,890.06 = 26,764.78/x
  3. Step 3: Cross multiply
    89,934.91x = 134,890.06 × 26,764.78
  4. Step 4: Simplify right side
    89,934.91x = 3,610,302,679.05
  5. Step 5: Solve for x
    x = 3,610,302,679.05/89,934.91
  6. Step 6: Final answer
    x = 40,143.51

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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.