Home / 53,890.08-80,747.76-35,147.68

Finding the Fourth Proportional to 53,890.08, 80,747.76 and 35,147.68

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Solution

The fourth proportional to 53,890.08, 80,747.76 and 35,147.68 is: 52,664.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,890.08 : 80,747.76 = 35,147.68 : x
  2. Step 2: Convert to fraction form
    53,890.08/80,747.76 = 35,147.68/x
  3. Step 3: Cross multiply
    53,890.08x = 80,747.76 × 35,147.68
  4. Step 4: Simplify right side
    53,890.08x = 2,838,096,429.20
  5. Step 5: Solve for x
    x = 2,838,096,429.20/53,890.08
  6. Step 6: Final answer
    x = 52,664.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.