Home / 91,645.14-137,440.74-27,600.66

Finding the Fourth Proportional to 91,645.14, 137,440.74 and 27,600.66

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Solution

The fourth proportional to 91,645.14, 137,440.74 and 27,600.66 is: 41,392.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,645.14 : 137,440.74 = 27,600.66 : x
  2. Step 2: Convert to fraction form
    91,645.14/137,440.74 = 27,600.66/x
  3. Step 3: Cross multiply
    91,645.14x = 137,440.74 × 27,600.66
  4. Step 4: Simplify right side
    91,645.14x = 3,793,455,134.89
  5. Step 5: Solve for x
    x = 3,793,455,134.89/91,645.14
  6. Step 6: Final answer
    x = 41,392.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.