Home / 55,738.53-83,723.40-45,076.86

Finding the Fourth Proportional to 55,738.53, 83,723.40 and 45,076.86

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Solution

The fourth proportional to 55,738.53, 83,723.40 and 45,076.86 is: 67,708.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,738.53 : 83,723.40 = 45,076.86 : x
  2. Step 2: Convert to fraction form
    55,738.53/83,723.40 = 45,076.86/x
  3. Step 3: Cross multiply
    55,738.53x = 83,723.40 × 45,076.86
  4. Step 4: Simplify right side
    55,738.53x = 3,773,987,980.52
  5. Step 5: Solve for x
    x = 3,773,987,980.52/55,738.53
  6. Step 6: Final answer
    x = 67,708.78

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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.