Home / 124,108.01-171,269.80-67,519.79

Finding the Fourth Proportional to 124,108.01, 171,269.80 and 67,519.79

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Solution

The fourth proportional to 124,108.01, 171,269.80 and 67,519.79 is: 93,177.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,108.01 : 171,269.80 = 67,519.79 : x
  2. Step 2: Convert to fraction form
    124,108.01/171,269.80 = 67,519.79/x
  3. Step 3: Cross multiply
    124,108.01x = 171,269.80 × 67,519.79
  4. Step 4: Simplify right side
    124,108.01x = 11,564,100,546.46
  5. Step 5: Solve for x
    x = 11,564,100,546.46/124,108.01
  6. Step 6: Final answer
    x = 93,177.71

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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.