Home / 79,249.07-109,374.93-49,044.13

Finding the Fourth Proportional to 79,249.07, 109,374.93 and 49,044.13

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Solution

The fourth proportional to 79,249.07, 109,374.93 and 49,044.13 is: 67,687.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,249.07 : 109,374.93 = 49,044.13 : x
  2. Step 2: Convert to fraction form
    79,249.07/109,374.93 = 49,044.13/x
  3. Step 3: Cross multiply
    79,249.07x = 109,374.93 × 49,044.13
  4. Step 4: Simplify right side
    79,249.07x = 5,364,198,285.66
  5. Step 5: Solve for x
    x = 5,364,198,285.66/79,249.07
  6. Step 6: Final answer
    x = 67,687.84

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1.5x scale

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.