Home / 124,373.56-171,663.20-79,042.70

Finding the Fourth Proportional to 124,373.56, 171,663.20 and 79,042.70

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Solution

The fourth proportional to 124,373.56, 171,663.20 and 79,042.70 is: 109,096.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,373.56 : 171,663.20 = 79,042.70 : x
  2. Step 2: Convert to fraction form
    124,373.56/171,663.20 = 79,042.70/x
  3. Step 3: Cross multiply
    124,373.56x = 171,663.20 × 79,042.70
  4. Step 4: Simplify right side
    124,373.56x = 13,568,722,818.64
  5. Step 5: Solve for x
    x = 13,568,722,818.64/124,373.56
  6. Step 6: Final answer
    x = 109,096.52

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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.