Home / 91,249.38-136,827.34-48,579.06

Finding the Fourth Proportional to 91,249.38, 136,827.34 and 48,579.06

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Solution

The fourth proportional to 91,249.38, 136,827.34 and 48,579.06 is: 72,843.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,249.38 : 136,827.34 = 48,579.06 : x
  2. Step 2: Convert to fraction form
    91,249.38/136,827.34 = 48,579.06/x
  3. Step 3: Cross multiply
    91,249.38x = 136,827.34 × 48,579.06
  4. Step 4: Simplify right side
    91,249.38x = 6,646,943,559.50
  5. Step 5: Solve for x
    x = 6,646,943,559.50/91,249.38
  6. Step 6: Final answer
    x = 72,843.71

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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.