Home / 83,981.25-125,971.10-34,049.48

Finding the Fourth Proportional to 83,981.25, 125,971.10 and 34,049.48

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Solution

The fourth proportional to 83,981.25, 125,971.10 and 34,049.48 is: 51,073.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,981.25 : 125,971.10 = 34,049.48 : x
  2. Step 2: Convert to fraction form
    83,981.25/125,971.10 = 34,049.48/x
  3. Step 3: Cross multiply
    83,981.25x = 125,971.10 × 34,049.48
  4. Step 4: Simplify right side
    83,981.25x = 4,289,249,649.93
  5. Step 5: Solve for x
    x = 4,289,249,649.93/83,981.25
  6. Step 6: Final answer
    x = 51,073.90

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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.