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Finding the Fourth Proportional to 76,996.55, 115,498.97 and 24,410.13

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Solution

The fourth proportional to 76,996.55, 115,498.97 and 24,410.13 is: 36,616.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,996.55 : 115,498.97 = 24,410.13 : x
  2. Step 2: Convert to fraction form
    76,996.55/115,498.97 = 24,410.13/x
  3. Step 3: Cross multiply
    76,996.55x = 115,498.97 × 24,410.13
  4. Step 4: Simplify right side
    76,996.55x = 2,819,344,750.52
  5. Step 5: Solve for x
    x = 2,819,344,750.52/76,996.55
  6. Step 6: Final answer
    x = 36,616.51

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1.5x scale

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.