Home / 67,182.24-100,757.16-19,784.46

Finding the Fourth Proportional to 67,182.24, 100,757.16 and 19,784.46

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Solution

The fourth proportional to 67,182.24, 100,757.16 and 19,784.46 is: 29,671.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,182.24 : 100,757.16 = 19,784.46 : x
  2. Step 2: Convert to fraction form
    67,182.24/100,757.16 = 19,784.46/x
  3. Step 3: Cross multiply
    67,182.24x = 100,757.16 × 19,784.46
  4. Step 4: Simplify right side
    67,182.24x = 1,993,426,001.73
  5. Step 5: Solve for x
    x = 1,993,426,001.73/67,182.24
  6. Step 6: Final answer
    x = 29,671.92

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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.