Home / 83,887.98-125,882.22-31,334.40

Finding the Fourth Proportional to 83,887.98, 125,882.22 and 31,334.40

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Solution

The fourth proportional to 83,887.98, 125,882.22 and 31,334.40 is: 47,020.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,887.98 : 125,882.22 = 31,334.40 : x
  2. Step 2: Convert to fraction form
    83,887.98/125,882.22 = 31,334.40/x
  3. Step 3: Cross multiply
    83,887.98x = 125,882.22 × 31,334.40
  4. Step 4: Simplify right side
    83,887.98x = 3,944,443,834.37
  5. Step 5: Solve for x
    x = 3,944,443,834.37/83,887.98
  6. Step 6: Final answer
    x = 47,020.37

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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.