Home / 41,122.71-61,684.11-31,776.35

Finding the Fourth Proportional to 41,122.71, 61,684.11 and 31,776.35

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Solution

The fourth proportional to 41,122.71, 61,684.11 and 31,776.35 is: 47,664.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,122.71 : 61,684.11 = 31,776.35 : x
  2. Step 2: Convert to fraction form
    41,122.71/61,684.11 = 31,776.35/x
  3. Step 3: Cross multiply
    41,122.71x = 61,684.11 × 31,776.35
  4. Step 4: Simplify right side
    41,122.71x = 1,960,095,560.38
  5. Step 5: Solve for x
    x = 1,960,095,560.38/41,122.71
  6. Step 6: Final answer
    x = 47,664.55

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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.