Home / 112,831.98-169,204.22-60,212.76

Finding the Fourth Proportional to 112,831.98, 169,204.22 and 60,212.76

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Solution

The fourth proportional to 112,831.98, 169,204.22 and 60,212.76 is: 90,295.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,831.98 : 169,204.22 = 60,212.76 : x
  2. Step 2: Convert to fraction form
    112,831.98/169,204.22 = 60,212.76/x
  3. Step 3: Cross multiply
    112,831.98x = 169,204.22 × 60,212.76
  4. Step 4: Simplify right side
    112,831.98x = 10,188,253,089.85
  5. Step 5: Solve for x
    x = 10,188,253,089.85/112,831.98
  6. Step 6: Final answer
    x = 90,295.79

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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.