Home / 55,481.79-76,579.11-34,248.86

Finding the Fourth Proportional to 55,481.79, 76,579.11 and 34,248.86

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Solution

The fourth proportional to 55,481.79, 76,579.11 and 34,248.86 is: 47,272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,481.79 : 76,579.11 = 34,248.86 : x
  2. Step 2: Convert to fraction form
    55,481.79/76,579.11 = 34,248.86/x
  3. Step 3: Cross multiply
    55,481.79x = 76,579.11 × 34,248.86
  4. Step 4: Simplify right side
    55,481.79x = 2,622,746,834.42
  5. Step 5: Solve for x
    x = 2,622,746,834.42/55,481.79
  6. Step 6: Final answer
    x = 47,272.21

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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.