Home / 83,882.62-125,845.71-31,292.50

Finding the Fourth Proportional to 83,882.62, 125,845.71 and 31,292.50

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Solution

The fourth proportional to 83,882.62, 125,845.71 and 31,292.50 is: 46,946.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,882.62 : 125,845.71 = 31,292.50 : x
  2. Step 2: Convert to fraction form
    83,882.62/125,845.71 = 31,292.50/x
  3. Step 3: Cross multiply
    83,882.62x = 125,845.71 × 31,292.50
  4. Step 4: Simplify right side
    83,882.62x = 3,938,026,880.18
  5. Step 5: Solve for x
    x = 3,938,026,880.18/83,882.62
  6. Step 6: Final answer
    x = 46,946.88

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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.