Home / 72,325.06-108,504.92-30,181.70

Finding the Fourth Proportional to 72,325.06, 108,504.92 and 30,181.70

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Solution

The fourth proportional to 72,325.06, 108,504.92 and 30,181.70 is: 45,279.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,325.06 : 108,504.92 = 30,181.70 : x
  2. Step 2: Convert to fraction form
    72,325.06/108,504.92 = 30,181.70/x
  3. Step 3: Cross multiply
    72,325.06x = 108,504.92 × 30,181.70
  4. Step 4: Simplify right side
    72,325.06x = 3,274,862,250.53
  5. Step 5: Solve for x
    x = 3,274,862,250.53/72,325.06
  6. Step 6: Final answer
    x = 45,279.77

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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.