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Finding the Fourth Proportional to 57,197.88, 78,933.02 and 34,841.88

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Solution

The fourth proportional to 57,197.88, 78,933.02 and 34,841.88 is: 48,081.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,197.88 : 78,933.02 = 34,841.88 : x
  2. Step 2: Convert to fraction form
    57,197.88/78,933.02 = 34,841.88/x
  3. Step 3: Cross multiply
    57,197.88x = 78,933.02 × 34,841.88
  4. Step 4: Simplify right side
    57,197.88x = 2,750,174,636.67
  5. Step 5: Solve for x
    x = 2,750,174,636.67/57,197.88
  6. Step 6: Final answer
    x = 48,081.76

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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.