Home / 79,247.70-109,373.03-49,042.75

Finding the Fourth Proportional to 79,247.70, 109,373.03 and 49,042.75

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Solution

The fourth proportional to 79,247.70, 109,373.03 and 49,042.75 is: 67,685.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,247.70 : 109,373.03 = 49,042.75 : x
  2. Step 2: Convert to fraction form
    79,247.70/109,373.03 = 49,042.75/x
  3. Step 3: Cross multiply
    79,247.70x = 109,373.03 × 49,042.75
  4. Step 4: Simplify right side
    79,247.70x = 5,363,954,289.64
  5. Step 5: Solve for x
    x = 5,363,954,289.64/79,247.70
  6. Step 6: Final answer
    x = 67,685.93

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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.