Home / 54,282.97-74,911.16-31,307.46

Finding the Fourth Proportional to 54,282.97, 74,911.16 and 31,307.46

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Solution

The fourth proportional to 54,282.97, 74,911.16 and 31,307.46 is: 43,204.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,282.97 : 74,911.16 = 31,307.46 : x
  2. Step 2: Convert to fraction form
    54,282.97/74,911.16 = 31,307.46/x
  3. Step 3: Cross multiply
    54,282.97x = 74,911.16 × 31,307.46
  4. Step 4: Simplify right side
    54,282.97x = 2,345,278,145.25
  5. Step 5: Solve for x
    x = 2,345,278,145.25/54,282.97
  6. Step 6: Final answer
    x = 43,204.68

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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.