Home / 57,146.20-78,871.10-34,174.52

Finding the Fourth Proportional to 57,146.20, 78,871.10 and 34,174.52

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Solution

The fourth proportional to 57,146.20, 78,871.10 and 34,174.52 is: 47,166.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,146.20 : 78,871.10 = 34,174.52 : x
  2. Step 2: Convert to fraction form
    57,146.20/78,871.10 = 34,174.52/x
  3. Step 3: Cross multiply
    57,146.20x = 78,871.10 × 34,174.52
  4. Step 4: Simplify right side
    57,146.20x = 2,695,381,984.37
  5. Step 5: Solve for x
    x = 2,695,381,984.37/57,146.20
  6. Step 6: Final answer
    x = 47,166.43

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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.