Home / 54,910.42-75,723.60-45,316.78

Finding the Fourth Proportional to 54,910.42, 75,723.60 and 45,316.78

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Solution

The fourth proportional to 54,910.42, 75,723.60 and 45,316.78 is: 62,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,910.42 : 75,723.60 = 45,316.78 : x
  2. Step 2: Convert to fraction form
    54,910.42/75,723.60 = 45,316.78/x
  3. Step 3: Cross multiply
    54,910.42x = 75,723.60 × 45,316.78
  4. Step 4: Simplify right side
    54,910.42x = 3,431,549,722.01
  5. Step 5: Solve for x
    x = 3,431,549,722.01/54,910.42
  6. Step 6: Final answer
    x = 62,493.60

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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.