Home / 107,921.66-148,932.72-60,178.05

Finding the Fourth Proportional to 107,921.66, 148,932.72 and 60,178.05

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Solution

The fourth proportional to 107,921.66, 148,932.72 and 60,178.05 is: 83,046.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,921.66 : 148,932.72 = 60,178.05 : x
  2. Step 2: Convert to fraction form
    107,921.66/148,932.72 = 60,178.05/x
  3. Step 3: Cross multiply
    107,921.66x = 148,932.72 × 60,178.05
  4. Step 4: Simplify right side
    107,921.66x = 8,962,480,670.80
  5. Step 5: Solve for x
    x = 8,962,480,670.80/107,921.66
  6. Step 6: Final answer
    x = 83,046.18

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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.