Home / 72,236.21-108,264.05-34,789.32

Finding the Fourth Proportional to 72,236.21, 108,264.05 and 34,789.32

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Solution

The fourth proportional to 72,236.21, 108,264.05 and 34,789.32 is: 52,140.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,236.21 : 108,264.05 = 34,789.32 : x
  2. Step 2: Convert to fraction form
    72,236.21/108,264.05 = 34,789.32/x
  3. Step 3: Cross multiply
    72,236.21x = 108,264.05 × 34,789.32
  4. Step 4: Simplify right side
    72,236.21x = 3,766,432,506.00
  5. Step 5: Solve for x
    x = 3,766,432,506.00/72,236.21
  6. Step 6: Final answer
    x = 52,140.51

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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.