Home / 51,528.48-71,109.20-29,174.56

Finding the Fourth Proportional to 51,528.48, 71,109.20 and 29,174.56

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Solution

The fourth proportional to 51,528.48, 71,109.20 and 29,174.56 is: 40,260.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,528.48 : 71,109.20 = 29,174.56 : x
  2. Step 2: Convert to fraction form
    51,528.48/71,109.20 = 29,174.56/x
  3. Step 3: Cross multiply
    51,528.48x = 71,109.20 × 29,174.56
  4. Step 4: Simplify right side
    51,528.48x = 2,074,579,621.95
  5. Step 5: Solve for x
    x = 2,074,579,621.95/51,528.48
  6. Step 6: Final answer
    x = 40,260.83

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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.