Home / 107,966.81-148,964.29-69,727.97

Finding the Fourth Proportional to 107,966.81, 148,964.29 and 69,727.97

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Solution

The fourth proportional to 107,966.81, 148,964.29 and 69,727.97 is: 96,205.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,966.81 : 148,964.29 = 69,727.97 : x
  2. Step 2: Convert to fraction form
    107,966.81/148,964.29 = 69,727.97/x
  3. Step 3: Cross multiply
    107,966.81x = 148,964.29 × 69,727.97
  4. Step 4: Simplify right side
    107,966.81x = 10,386,976,932.21
  5. Step 5: Solve for x
    x = 10,386,976,932.21/107,966.81
  6. Step 6: Final answer
    x = 96,205.28

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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.