Home / 79,072.28-109,086.90-51,840.92

Finding the Fourth Proportional to 79,072.28, 109,086.90 and 51,840.92

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Solution

The fourth proportional to 79,072.28, 109,086.90 and 51,840.92 is: 71,518.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,072.28 : 109,086.90 = 51,840.92 : x
  2. Step 2: Convert to fraction form
    79,072.28/109,086.90 = 51,840.92/x
  3. Step 3: Cross multiply
    79,072.28x = 109,086.90 × 51,840.92
  4. Step 4: Simplify right side
    79,072.28x = 5,655,165,255.95
  5. Step 5: Solve for x
    x = 5,655,165,255.95/79,072.28
  6. Step 6: Final answer
    x = 71,518.94

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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.