Home / 117,831.92-162,611.65-64,113.73

Finding the Fourth Proportional to 117,831.92, 162,611.65 and 64,113.73

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Solution

The fourth proportional to 117,831.92, 162,611.65 and 64,113.73 is: 88,478.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,831.92 : 162,611.65 = 64,113.73 : x
  2. Step 2: Convert to fraction form
    117,831.92/162,611.65 = 64,113.73/x
  3. Step 3: Cross multiply
    117,831.92x = 162,611.65 × 64,113.73
  4. Step 4: Simplify right side
    117,831.92x = 10,425,639,096.57
  5. Step 5: Solve for x
    x = 10,425,639,096.57/117,831.92
  6. Step 6: Final answer
    x = 88,478.91

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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.