Home / 89,650.20-123,715.60-49,363.08

Finding the Fourth Proportional to 89,650.20, 123,715.60 and 49,363.08

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Solution

The fourth proportional to 89,650.20, 123,715.60 and 49,363.08 is: 68,120.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,650.20 : 123,715.60 = 49,363.08 : x
  2. Step 2: Convert to fraction form
    89,650.20/123,715.60 = 49,363.08/x
  3. Step 3: Cross multiply
    89,650.20x = 123,715.60 × 49,363.08
  4. Step 4: Simplify right side
    89,650.20x = 6,106,983,060.05
  5. Step 5: Solve for x
    x = 6,106,983,060.05/89,650.20
  6. Step 6: Final answer
    x = 68,120.13

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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.