Home / 72,334.42-108,466.05-30,201.85

Finding the Fourth Proportional to 72,334.42, 108,466.05 and 30,201.85

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Solution

The fourth proportional to 72,334.42, 108,466.05 and 30,201.85 is: 45,287.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,334.42 : 108,466.05 = 30,201.85 : x
  2. Step 2: Convert to fraction form
    72,334.42/108,466.05 = 30,201.85/x
  3. Step 3: Cross multiply
    72,334.42x = 108,466.05 × 30,201.85
  4. Step 4: Simplify right side
    72,334.42x = 3,275,875,372.19
  5. Step 5: Solve for x
    x = 3,275,875,372.19/72,334.42
  6. Step 6: Final answer
    x = 45,287.92

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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.