Home / 123,839.01-170,898.49-70,134.48

Finding the Fourth Proportional to 123,839.01, 170,898.49 and 70,134.48

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Solution

The fourth proportional to 123,839.01, 170,898.49 and 70,134.48 is: 96,785.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,839.01 : 170,898.49 = 70,134.48 : x
  2. Step 2: Convert to fraction form
    123,839.01/170,898.49 = 70,134.48/x
  3. Step 3: Cross multiply
    123,839.01x = 170,898.49 × 70,134.48
  4. Step 4: Simplify right side
    123,839.01x = 11,985,876,728.94
  5. Step 5: Solve for x
    x = 11,985,876,728.94/123,839.01
  6. Step 6: Final answer
    x = 96,785.95

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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.