Home / 55,652.97-76,812.69-51,169.62

Finding the Fourth Proportional to 55,652.97, 76,812.69 and 51,169.62

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Solution

The fourth proportional to 55,652.97, 76,812.69 and 51,169.62 is: 70,624.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,652.97 : 76,812.69 = 51,169.62 : x
  2. Step 2: Convert to fraction form
    55,652.97/76,812.69 = 51,169.62/x
  3. Step 3: Cross multiply
    55,652.97x = 76,812.69 × 51,169.62
  4. Step 4: Simplify right side
    55,652.97x = 3,930,476,158.48
  5. Step 5: Solve for x
    x = 3,930,476,158.48/55,652.97
  6. Step 6: Final answer
    x = 70,624.73

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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.