Home / 89,626.62-123,670.26-51,379.14

Finding the Fourth Proportional to 89,626.62, 123,670.26 and 51,379.14

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Solution

The fourth proportional to 89,626.62, 123,670.26 and 51,379.14 is: 70,894.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,626.62 : 123,670.26 = 51,379.14 : x
  2. Step 2: Convert to fraction form
    89,626.62/123,670.26 = 51,379.14/x
  3. Step 3: Cross multiply
    89,626.62x = 123,670.26 × 51,379.14
  4. Step 4: Simplify right side
    89,626.62x = 6,354,071,602.38
  5. Step 5: Solve for x
    x = 6,354,071,602.38/89,626.62
  6. Step 6: Final answer
    x = 70,894.91

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1.5x scale

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.