Home / 105,849.66-146,074.84-60,531.78

Finding the Fourth Proportional to 105,849.66, 146,074.84 and 60,531.78

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Solution

The fourth proportional to 105,849.66, 146,074.84 and 60,531.78 is: 83,535.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,849.66 : 146,074.84 = 60,531.78 : x
  2. Step 2: Convert to fraction form
    105,849.66/146,074.84 = 60,531.78/x
  3. Step 3: Cross multiply
    105,849.66x = 146,074.84 × 60,531.78
  4. Step 4: Simplify right side
    105,849.66x = 8,842,170,078.42
  5. Step 5: Solve for x
    x = 8,842,170,078.42/105,849.66
  6. Step 6: Final answer
    x = 83,535.18

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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.