Home / 89,505.65-123,514.47-49,217.01

Finding the Fourth Proportional to 89,505.65, 123,514.47 and 49,217.01

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Solution

The fourth proportional to 89,505.65, 123,514.47 and 49,217.01 is: 67,917.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,505.65 : 123,514.47 = 49,217.01 : x
  2. Step 2: Convert to fraction form
    89,505.65/123,514.47 = 49,217.01/x
  3. Step 3: Cross multiply
    89,505.65x = 123,514.47 × 49,217.01
  4. Step 4: Simplify right side
    89,505.65x = 6,079,012,905.13
  5. Step 5: Solve for x
    x = 6,079,012,905.13/89,505.65
  6. Step 6: Final answer
    x = 67,917.65

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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.