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Finding the Fourth Proportional to 79,797.66, 119,655.47 and 23,630.71

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Solution

The fourth proportional to 79,797.66, 119,655.47 and 23,630.71 is: 35,433.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,797.66 : 119,655.47 = 23,630.71 : x
  2. Step 2: Convert to fraction form
    79,797.66/119,655.47 = 23,630.71/x
  3. Step 3: Cross multiply
    79,797.66x = 119,655.47 × 23,630.71
  4. Step 4: Simplify right side
    79,797.66x = 2,827,543,711.48
  5. Step 5: Solve for x
    x = 2,827,543,711.48/79,797.66
  6. Step 6: Final answer
    x = 35,433.92

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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.