Home / 73,789.76-101,829.60-40,255.68

Finding the Fourth Proportional to 73,789.76, 101,829.60 and 40,255.68

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Solution

The fourth proportional to 73,789.76, 101,829.60 and 40,255.68 is: 55,552.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,789.76 : 101,829.60 = 40,255.68 : x
  2. Step 2: Convert to fraction form
    73,789.76/101,829.60 = 40,255.68/x
  3. Step 3: Cross multiply
    73,789.76x = 101,829.60 × 40,255.68
  4. Step 4: Simplify right side
    73,789.76x = 4,099,219,792.13
  5. Step 5: Solve for x
    x = 4,099,219,792.13/73,789.76
  6. Step 6: Final answer
    x = 55,552.69

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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.