Home / 79,249.01-109,374.85-49,044.06

Finding the Fourth Proportional to 79,249.01, 109,374.85 and 49,044.06

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Solution

The fourth proportional to 79,249.01, 109,374.85 and 49,044.06 is: 67,687.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,249.01 : 109,374.85 = 49,044.06 : x
  2. Step 2: Convert to fraction form
    79,249.01/109,374.85 = 49,044.06/x
  3. Step 3: Cross multiply
    79,249.01x = 109,374.85 × 49,044.06
  4. Step 4: Simplify right side
    79,249.01x = 5,364,186,705.89
  5. Step 5: Solve for x
    x = 5,364,186,705.89/79,249.01
  6. Step 6: Final answer
    x = 67,687.74

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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.