Home / 123,773.28-170,794.08-70,049.76

Finding the Fourth Proportional to 123,773.28, 170,794.08 and 70,049.76

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Solution

The fourth proportional to 123,773.28, 170,794.08 and 70,049.76 is: 96,661.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,773.28 : 170,794.08 = 70,049.76 : x
  2. Step 2: Convert to fraction form
    123,773.28/170,794.08 = 70,049.76/x
  3. Step 3: Cross multiply
    123,773.28x = 170,794.08 × 70,049.76
  4. Step 4: Simplify right side
    123,773.28x = 11,964,084,313.42
  5. Step 5: Solve for x
    x = 11,964,084,313.42/123,773.28
  6. Step 6: Final answer
    x = 96,661.29

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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.