Home / 107,761.20-148,669.56-65,304.24

Finding the Fourth Proportional to 107,761.20, 148,669.56 and 65,304.24

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Solution

The fourth proportional to 107,761.20, 148,669.56 and 65,304.24 is: 90,095.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,761.20 : 148,669.56 = 65,304.24 : x
  2. Step 2: Convert to fraction form
    107,761.20/148,669.56 = 65,304.24/x
  3. Step 3: Cross multiply
    107,761.20x = 148,669.56 × 65,304.24
  4. Step 4: Simplify right side
    107,761.20x = 9,708,752,626.93
  5. Step 5: Solve for x
    x = 9,708,752,626.93/107,761.20
  6. Step 6: Final answer
    x = 90,095.07

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1.5x scale

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.