Home / 89,223.23-123,134.55-50,981.90

Finding the Fourth Proportional to 89,223.23, 123,134.55 and 50,981.90

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Solution

The fourth proportional to 89,223.23, 123,134.55 and 50,981.90 is: 70,358.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,223.23 : 123,134.55 = 50,981.90 : x
  2. Step 2: Convert to fraction form
    89,223.23/123,134.55 = 50,981.90/x
  3. Step 3: Cross multiply
    89,223.23x = 123,134.55 × 50,981.90
  4. Step 4: Simplify right side
    89,223.23x = 6,277,633,314.65
  5. Step 5: Solve for x
    x = 6,277,633,314.65/89,223.23
  6. Step 6: Final answer
    x = 70,358.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.