Home / 67,176.21-100,752.98-19,141.43

Finding the Fourth Proportional to 67,176.21, 100,752.98 and 19,141.43

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Solution

The fourth proportional to 67,176.21, 100,752.98 and 19,141.43 is: 28,708.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,176.21 : 100,752.98 = 19,141.43 : x
  2. Step 2: Convert to fraction form
    67,176.21/100,752.98 = 19,141.43/x
  3. Step 3: Cross multiply
    67,176.21x = 100,752.98 × 19,141.43
  4. Step 4: Simplify right side
    67,176.21x = 1,928,556,113.96
  5. Step 5: Solve for x
    x = 1,928,556,113.96/67,176.21
  6. Step 6: Final answer
    x = 28,708.92

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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.