Home / 75,227.12-112,721.96-27,776.88

Finding the Fourth Proportional to 75,227.12, 112,721.96 and 27,776.88

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Solution

The fourth proportional to 75,227.12, 112,721.96 and 27,776.88 is: 41,621.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,227.12 : 112,721.96 = 27,776.88 : x
  2. Step 2: Convert to fraction form
    75,227.12/112,721.96 = 27,776.88/x
  3. Step 3: Cross multiply
    75,227.12x = 112,721.96 × 27,776.88
  4. Step 4: Simplify right side
    75,227.12x = 3,131,064,356.28
  5. Step 5: Solve for x
    x = 3,131,064,356.28/75,227.12
  6. Step 6: Final answer
    x = 41,621.48

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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.