Home / 73,175.19-109,712.85-38,986.08

Finding the Fourth Proportional to 73,175.19, 109,712.85 and 38,986.08

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Solution

The fourth proportional to 73,175.19, 109,712.85 and 38,986.08 is: 58,452.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,175.19 : 109,712.85 = 38,986.08 : x
  2. Step 2: Convert to fraction form
    73,175.19/109,712.85 = 38,986.08/x
  3. Step 3: Cross multiply
    73,175.19x = 109,712.85 × 38,986.08
  4. Step 4: Simplify right side
    73,175.19x = 4,277,273,947.13
  5. Step 5: Solve for x
    x = 4,277,273,947.13/73,175.19
  6. Step 6: Final answer
    x = 58,452.52

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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.