Home / 87,024.85-120,093.44-79,883.69

Finding the Fourth Proportional to 87,024.85, 120,093.44 and 79,883.69

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Solution

The fourth proportional to 87,024.85, 120,093.44 and 79,883.69 is: 110,238.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,024.85 : 120,093.44 = 79,883.69 : x
  2. Step 2: Convert to fraction form
    87,024.85/120,093.44 = 79,883.69/x
  3. Step 3: Cross multiply
    87,024.85x = 120,093.44 × 79,883.69
  4. Step 4: Simplify right side
    87,024.85x = 9,593,506,132.11
  5. Step 5: Solve for x
    x = 9,593,506,132.11/87,024.85
  6. Step 6: Final answer
    x = 110,238.70

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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.