Home / 79,830.27-119,710.63-22,891.61

Finding the Fourth Proportional to 79,830.27, 119,710.63 and 22,891.61

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Solution

The fourth proportional to 79,830.27, 119,710.63 and 22,891.61 is: 34,327.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,830.27 : 119,710.63 = 22,891.61 : x
  2. Step 2: Convert to fraction form
    79,830.27/119,710.63 = 22,891.61/x
  3. Step 3: Cross multiply
    79,830.27x = 119,710.63 × 22,891.61
  4. Step 4: Simplify right side
    79,830.27x = 2,740,369,253.94
  5. Step 5: Solve for x
    x = 2,740,369,253.94/79,830.27
  6. Step 6: Final answer
    x = 34,327.45

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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.