Home / 54,854.12-75,699.42-30,654.02

Finding the Fourth Proportional to 54,854.12, 75,699.42 and 30,654.02

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Solution

The fourth proportional to 54,854.12, 75,699.42 and 30,654.02 is: 42,302.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,854.12 : 75,699.42 = 30,654.02 : x
  2. Step 2: Convert to fraction form
    54,854.12/75,699.42 = 30,654.02/x
  3. Step 3: Cross multiply
    54,854.12x = 75,699.42 × 30,654.02
  4. Step 4: Simplify right side
    54,854.12x = 2,320,491,534.67
  5. Step 5: Solve for x
    x = 2,320,491,534.67/54,854.12
  6. Step 6: Final answer
    x = 42,302.96

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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.