Home / 99,351.24-137,105.63-54,029.65

Finding the Fourth Proportional to 99,351.24, 137,105.63 and 54,029.65

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Solution

The fourth proportional to 99,351.24, 137,105.63 and 54,029.65 is: 74,561.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,351.24 : 137,105.63 = 54,029.65 : x
  2. Step 2: Convert to fraction form
    99,351.24/137,105.63 = 54,029.65/x
  3. Step 3: Cross multiply
    99,351.24x = 137,105.63 × 54,029.65
  4. Step 4: Simplify right side
    99,351.24x = 7,407,768,246.25
  5. Step 5: Solve for x
    x = 7,407,768,246.25/99,351.24
  6. Step 6: Final answer
    x = 74,561.41

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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.