Home / 52,137.85-71,922.49-31,726.15

Finding the Fourth Proportional to 52,137.85, 71,922.49 and 31,726.15

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Solution

The fourth proportional to 52,137.85, 71,922.49 and 31,726.15 is: 43,765.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,137.85 : 71,922.49 = 31,726.15 : x
  2. Step 2: Convert to fraction form
    52,137.85/71,922.49 = 31,726.15/x
  3. Step 3: Cross multiply
    52,137.85x = 71,922.49 × 31,726.15
  4. Step 4: Simplify right side
    52,137.85x = 2,281,823,706.11
  5. Step 5: Solve for x
    x = 2,281,823,706.11/52,137.85
  6. Step 6: Final answer
    x = 43,765.21

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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.