Home / 99,895.65-149,843.07-47,342.04

Finding the Fourth Proportional to 99,895.65, 149,843.07 and 47,342.04

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Solution

The fourth proportional to 99,895.65, 149,843.07 and 47,342.04 is: 71,012.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,895.65 : 149,843.07 = 47,342.04 : x
  2. Step 2: Convert to fraction form
    99,895.65/149,843.07 = 47,342.04/x
  3. Step 3: Cross multiply
    99,895.65x = 149,843.07 × 47,342.04
  4. Step 4: Simplify right side
    99,895.65x = 7,093,876,613.66
  5. Step 5: Solve for x
    x = 7,093,876,613.66/99,895.65
  6. Step 6: Final answer
    x = 71,012.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.