Home / 83,722.14-125,632.17-31,168.86

Finding the Fourth Proportional to 83,722.14, 125,632.17 and 31,168.86

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Solution

The fourth proportional to 83,722.14, 125,632.17 and 31,168.86 is: 46,771.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,722.14 : 125,632.17 = 31,168.86 : x
  2. Step 2: Convert to fraction form
    83,722.14/125,632.17 = 31,168.86/x
  3. Step 3: Cross multiply
    83,722.14x = 125,632.17 × 31,168.86
  4. Step 4: Simplify right side
    83,722.14x = 3,915,811,518.23
  5. Step 5: Solve for x
    x = 3,915,811,518.23/83,722.14
  6. Step 6: Final answer
    x = 46,771.52

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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.