Home / 54,958.76-75,843.08-31,084.92

Finding the Fourth Proportional to 54,958.76, 75,843.08 and 31,084.92

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Solution

The fourth proportional to 54,958.76, 75,843.08 and 31,084.92 is: 42,897.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,958.76 : 75,843.08 = 31,084.92 : x
  2. Step 2: Convert to fraction form
    54,958.76/75,843.08 = 31,084.92/x
  3. Step 3: Cross multiply
    54,958.76x = 75,843.08 × 31,084.92
  4. Step 4: Simplify right side
    54,958.76x = 2,357,575,918.93
  5. Step 5: Solve for x
    x = 2,357,575,918.93/54,958.76
  6. Step 6: Final answer
    x = 42,897.19

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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.