Home / 54,781.98-75,599.10-29,631.48

Finding the Fourth Proportional to 54,781.98, 75,599.10 and 29,631.48

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Solution

The fourth proportional to 54,781.98, 75,599.10 and 29,631.48 is: 40,891.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,781.98 : 75,599.10 = 29,631.48 : x
  2. Step 2: Convert to fraction form
    54,781.98/75,599.10 = 29,631.48/x
  3. Step 3: Cross multiply
    54,781.98x = 75,599.10 × 29,631.48
  4. Step 4: Simplify right side
    54,781.98x = 2,240,113,219.67
  5. Step 5: Solve for x
    x = 2,240,113,219.67/54,781.98
  6. Step 6: Final answer
    x = 40,891.42

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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.