Home / 72,156.44-108,236.52-34,196.85

Finding the Fourth Proportional to 72,156.44, 108,236.52 and 34,196.85

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Solution

The fourth proportional to 72,156.44, 108,236.52 and 34,196.85 is: 51,296.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,156.44 : 108,236.52 = 34,196.85 : x
  2. Step 2: Convert to fraction form
    72,156.44/108,236.52 = 34,196.85/x
  3. Step 3: Cross multiply
    72,156.44x = 108,236.52 × 34,196.85
  4. Step 4: Simplify right side
    72,156.44x = 3,701,348,038.96
  5. Step 5: Solve for x
    x = 3,701,348,038.96/72,156.44
  6. Step 6: Final answer
    x = 51,296.15

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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.