Home / 73,255.83-109,888.02-28,277.43

Finding the Fourth Proportional to 73,255.83, 109,888.02 and 28,277.43

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Solution

The fourth proportional to 73,255.83, 109,888.02 and 28,277.43 is: 42,417.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,255.83 : 109,888.02 = 28,277.43 : x
  2. Step 2: Convert to fraction form
    73,255.83/109,888.02 = 28,277.43/x
  3. Step 3: Cross multiply
    73,255.83x = 109,888.02 × 28,277.43
  4. Step 4: Simplify right side
    73,255.83x = 3,107,350,793.39
  5. Step 5: Solve for x
    x = 3,107,350,793.39/73,255.83
  6. Step 6: Final answer
    x = 42,417.80

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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.