Home / 106,373.42-159,587.76-39,818.78

Finding the Fourth Proportional to 106,373.42, 159,587.76 and 39,818.78

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Solution

The fourth proportional to 106,373.42, 159,587.76 and 39,818.78 is: 59,738.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,373.42 : 159,587.76 = 39,818.78 : x
  2. Step 2: Convert to fraction form
    106,373.42/159,587.76 = 39,818.78/x
  3. Step 3: Cross multiply
    106,373.42x = 159,587.76 × 39,818.78
  4. Step 4: Simplify right side
    106,373.42x = 6,354,589,906.13
  5. Step 5: Solve for x
    x = 6,354,589,906.13/106,373.42
  6. Step 6: Final answer
    x = 59,738.51

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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.