Home / 83,424.14-115,125.46-45,183.77

Finding the Fourth Proportional to 83,424.14, 115,125.46 and 45,183.77

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Solution

The fourth proportional to 83,424.14, 115,125.46 and 45,183.77 is: 62,353.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,424.14 : 115,125.46 = 45,183.77 : x
  2. Step 2: Convert to fraction form
    83,424.14/115,125.46 = 45,183.77/x
  3. Step 3: Cross multiply
    83,424.14x = 115,125.46 × 45,183.77
  4. Step 4: Simplify right side
    83,424.14x = 5,201,802,480.64
  5. Step 5: Solve for x
    x = 5,201,802,480.64/83,424.14
  6. Step 6: Final answer
    x = 62,353.68

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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.