Home / 73,537.38-110,470.05-45,478.08

Finding the Fourth Proportional to 73,537.38, 110,470.05 and 45,478.08

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Solution

The fourth proportional to 73,537.38, 110,470.05 and 45,478.08 is: 68,318.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,537.38 : 110,470.05 = 45,478.08 : x
  2. Step 2: Convert to fraction form
    73,537.38/110,470.05 = 45,478.08/x
  3. Step 3: Cross multiply
    73,537.38x = 110,470.05 × 45,478.08
  4. Step 4: Simplify right side
    73,537.38x = 5,023,965,771.50
  5. Step 5: Solve for x
    x = 5,023,965,771.50/73,537.38
  6. Step 6: Final answer
    x = 68,318.53

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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.