Home / 75,601.20-113,401.80-58,105.20

Finding the Fourth Proportional to 75,601.20, 113,401.80 and 58,105.20

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Solution

The fourth proportional to 75,601.20, 113,401.80 and 58,105.20 is: 87,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,601.20 : 113,401.80 = 58,105.20 : x
  2. Step 2: Convert to fraction form
    75,601.20/113,401.80 = 58,105.20/x
  3. Step 3: Cross multiply
    75,601.20x = 113,401.80 × 58,105.20
  4. Step 4: Simplify right side
    75,601.20x = 6,589,234,269.36
  5. Step 5: Solve for x
    x = 6,589,234,269.36/75,601.20
  6. Step 6: Final answer
    x = 87,157.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.