Home / 107,976.42-149,010.62-60,228.74

Finding the Fourth Proportional to 107,976.42, 149,010.62 and 60,228.74

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Solution

The fourth proportional to 107,976.42, 149,010.62 and 60,228.74 is: 83,117.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,976.42 : 149,010.62 = 60,228.74 : x
  2. Step 2: Convert to fraction form
    107,976.42/149,010.62 = 60,228.74/x
  3. Step 3: Cross multiply
    107,976.42x = 149,010.62 × 60,228.74
  4. Step 4: Simplify right side
    107,976.42x = 8,974,721,960.60
  5. Step 5: Solve for x
    x = 8,974,721,960.60/107,976.42
  6. Step 6: Final answer
    x = 83,117.42

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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.