Home / 115,612.20-173,450.70-56,449.80

Finding the Fourth Proportional to 115,612.20, 173,450.70 and 56,449.80

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Solution

The fourth proportional to 115,612.20, 173,450.70 and 56,449.80 is: 84,690.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,612.20 : 173,450.70 = 56,449.80 : x
  2. Step 2: Convert to fraction form
    115,612.20/173,450.70 = 56,449.80/x
  3. Step 3: Cross multiply
    115,612.20x = 173,450.70 × 56,449.80
  4. Step 4: Simplify right side
    115,612.20x = 9,791,257,324.86
  5. Step 5: Solve for x
    x = 9,791,257,324.86/115,612.20
  6. Step 6: Final answer
    x = 84,690.52

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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.