Home / 54,656.11-75,425.58-31,690.39

Finding the Fourth Proportional to 54,656.11, 75,425.58 and 31,690.39

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Solution

The fourth proportional to 54,656.11, 75,425.58 and 31,690.39 is: 43,732.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,656.11 : 75,425.58 = 31,690.39 : x
  2. Step 2: Convert to fraction form
    54,656.11/75,425.58 = 31,690.39/x
  3. Step 3: Cross multiply
    54,656.11x = 75,425.58 × 31,690.39
  4. Step 4: Simplify right side
    54,656.11x = 2,390,266,046.18
  5. Step 5: Solve for x
    x = 2,390,266,046.18/54,656.11
  6. Step 6: Final answer
    x = 43,732.82

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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.