Home / 101,550.48-140,134.68-56,227.20

Finding the Fourth Proportional to 101,550.48, 140,134.68 and 56,227.20

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Solution

The fourth proportional to 101,550.48, 140,134.68 and 56,227.20 is: 77,590.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,550.48 : 140,134.68 = 56,227.20 : x
  2. Step 2: Convert to fraction form
    101,550.48/140,134.68 = 56,227.20/x
  3. Step 3: Cross multiply
    101,550.48x = 140,134.68 × 56,227.20
  4. Step 4: Simplify right side
    101,550.48x = 7,879,380,679.30
  5. Step 5: Solve for x
    x = 7,879,380,679.30/101,550.48
  6. Step 6: Final answer
    x = 77,590.78

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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.