Home / 91,853.43-137,651.85-49,642.53

Finding the Fourth Proportional to 91,853.43, 137,651.85 and 49,642.53

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Solution

The fourth proportional to 91,853.43, 137,651.85 and 49,642.53 is: 74,394.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,853.43 : 137,651.85 = 49,642.53 : x
  2. Step 2: Convert to fraction form
    91,853.43/137,651.85 = 49,642.53/x
  3. Step 3: Cross multiply
    91,853.43x = 137,651.85 × 49,642.53
  4. Step 4: Simplify right side
    91,853.43x = 6,833,386,093.18
  5. Step 5: Solve for x
    x = 6,833,386,093.18/91,853.43
  6. Step 6: Final answer
    x = 74,394.46

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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.