Home / 56,519.20-77,997.44-31,027.92

Finding the Fourth Proportional to 56,519.20, 77,997.44 and 31,027.92

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Solution

The fourth proportional to 56,519.20, 77,997.44 and 31,027.92 is: 42,819.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,519.20 : 77,997.44 = 31,027.92 : x
  2. Step 2: Convert to fraction form
    56,519.20/77,997.44 = 31,027.92/x
  3. Step 3: Cross multiply
    56,519.20x = 77,997.44 × 31,027.92
  4. Step 4: Simplify right side
    56,519.20x = 2,420,098,328.52
  5. Step 5: Solve for x
    x = 2,420,098,328.52/56,519.20
  6. Step 6: Final answer
    x = 42,819.05

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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.