Home / 67,332.42-100,967.58-19,930.55

Finding the Fourth Proportional to 67,332.42, 100,967.58 and 19,930.55

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Solution

The fourth proportional to 67,332.42, 100,967.58 and 19,930.55 is: 29,886.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,332.42 : 100,967.58 = 19,930.55 : x
  2. Step 2: Convert to fraction form
    67,332.42/100,967.58 = 19,930.55/x
  3. Step 3: Cross multiply
    67,332.42x = 100,967.58 × 19,930.55
  4. Step 4: Simplify right side
    67,332.42x = 2,012,338,896.73
  5. Step 5: Solve for x
    x = 2,012,338,896.73/67,332.42
  6. Step 6: Final answer
    x = 29,886.63

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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.