Home / 89,786.91-123,902.19-48,950.15

Finding the Fourth Proportional to 89,786.91, 123,902.19 and 48,950.15

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Solution

The fourth proportional to 89,786.91, 123,902.19 and 48,950.15 is: 67,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,786.91 : 123,902.19 = 48,950.15 : x
  2. Step 2: Convert to fraction form
    89,786.91/123,902.19 = 48,950.15/x
  3. Step 3: Cross multiply
    89,786.91x = 123,902.19 × 48,950.15
  4. Step 4: Simplify right side
    89,786.91x = 6,065,030,166.32
  5. Step 5: Solve for x
    x = 6,065,030,166.32/89,786.91
  6. Step 6: Final answer
    x = 67,549.16

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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.