Home / 51,961.76-71,707.68-29,607.20

Finding the Fourth Proportional to 51,961.76, 71,707.68 and 29,607.20

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Solution

The fourth proportional to 51,961.76, 71,707.68 and 29,607.20 is: 40,858.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,961.76 : 71,707.68 = 29,607.20 : x
  2. Step 2: Convert to fraction form
    51,961.76/71,707.68 = 29,607.20/x
  3. Step 3: Cross multiply
    51,961.76x = 71,707.68 × 29,607.20
  4. Step 4: Simplify right side
    51,961.76x = 2,123,063,623.30
  5. Step 5: Solve for x
    x = 2,123,063,623.30/51,961.76
  6. Step 6: Final answer
    x = 40,858.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.