Home / 91,645.43-137,381.94-49,462.29

Finding the Fourth Proportional to 91,645.43, 137,381.94 and 49,462.29

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Solution

The fourth proportional to 91,645.43, 137,381.94 and 49,462.29 is: 74,146.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,645.43 : 137,381.94 = 49,462.29 : x
  2. Step 2: Convert to fraction form
    91,645.43/137,381.94 = 49,462.29/x
  3. Step 3: Cross multiply
    91,645.43x = 137,381.94 × 49,462.29
  4. Step 4: Simplify right side
    91,645.43x = 6,795,225,357.04
  5. Step 5: Solve for x
    x = 6,795,225,357.04/91,645.43
  6. Step 6: Final answer
    x = 74,146.91

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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.