Home / 87,026.85-120,096.19-79,885.69

Finding the Fourth Proportional to 87,026.85, 120,096.19 and 79,885.69

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Solution

The fourth proportional to 87,026.85, 120,096.19 and 79,885.69 is: 110,241.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,026.85 : 120,096.19 = 79,885.69 : x
  2. Step 2: Convert to fraction form
    87,026.85/120,096.19 = 79,885.69/x
  3. Step 3: Cross multiply
    87,026.85x = 120,096.19 × 79,885.69
  4. Step 4: Simplify right side
    87,026.85x = 9,593,967,004.52
  5. Step 5: Solve for x
    x = 9,593,967,004.52/87,026.85
  6. Step 6: Final answer
    x = 110,241.46

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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.