Home / 83,867.97-125,860.29-54,212.25

Finding the Fourth Proportional to 83,867.97, 125,860.29 and 54,212.25

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Solution

The fourth proportional to 83,867.97, 125,860.29 and 54,212.25 is: 81,356.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,867.97 : 125,860.29 = 54,212.25 : x
  2. Step 2: Convert to fraction form
    83,867.97/125,860.29 = 54,212.25/x
  3. Step 3: Cross multiply
    83,867.97x = 125,860.29 × 54,212.25
  4. Step 4: Simplify right side
    83,867.97x = 6,823,169,506.55
  5. Step 5: Solve for x
    x = 6,823,169,506.55/83,867.97
  6. Step 6: Final answer
    x = 81,356.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.