Home / 56,819.08-78,408.89-31,324.85

Finding the Fourth Proportional to 56,819.08, 78,408.89 and 31,324.85

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Solution

The fourth proportional to 56,819.08, 78,408.89 and 31,324.85 is: 43,227.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,819.08 : 78,408.89 = 31,324.85 : x
  2. Step 2: Convert to fraction form
    56,819.08/78,408.89 = 31,324.85/x
  3. Step 3: Cross multiply
    56,819.08x = 78,408.89 × 31,324.85
  4. Step 4: Simplify right side
    56,819.08x = 2,456,146,717.92
  5. Step 5: Solve for x
    x = 2,456,146,717.92/56,819.08
  6. Step 6: Final answer
    x = 43,227.50

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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.