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Finding the Fourth Proportional to 79,635.52, 119,454.90 and 35,254

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Solution

The fourth proportional to 79,635.52, 119,454.90 and 35,254 is: 52,881.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,635.52 : 119,454.90 = 35,254 : x
  2. Step 2: Convert to fraction form
    79,635.52/119,454.90 = 35,254/x
  3. Step 3: Cross multiply
    79,635.52x = 119,454.90 × 35,254
  4. Step 4: Simplify right side
    79,635.52x = 4,211,263,044.60
  5. Step 5: Solve for x
    x = 4,211,263,044.60/79,635.52
  6. Step 6: Final answer
    x = 52,881.72

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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.