Home / 82,416.48-113,749.31-48,424.96

Finding the Fourth Proportional to 82,416.48, 113,749.31 and 48,424.96

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Solution

The fourth proportional to 82,416.48, 113,749.31 and 48,424.96 is: 66,834.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,416.48 : 113,749.31 = 48,424.96 : x
  2. Step 2: Convert to fraction form
    82,416.48/113,749.31 = 48,424.96/x
  3. Step 3: Cross multiply
    82,416.48x = 113,749.31 × 48,424.96
  4. Step 4: Simplify right side
    82,416.48x = 5,508,305,137.80
  5. Step 5: Solve for x
    x = 5,508,305,137.80/82,416.48
  6. Step 6: Final answer
    x = 66,834.99

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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.