Home / 67,008.11-100,512.17-52,228.18

Finding the Fourth Proportional to 67,008.11, 100,512.17 and 52,228.18

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Solution

The fourth proportional to 67,008.11, 100,512.17 and 52,228.18 is: 78,342.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,008.11 : 100,512.17 = 52,228.18 : x
  2. Step 2: Convert to fraction form
    67,008.11/100,512.17 = 52,228.18/x
  3. Step 3: Cross multiply
    67,008.11x = 100,512.17 × 52,228.18
  4. Step 4: Simplify right side
    67,008.11x = 5,249,567,706.95
  5. Step 5: Solve for x
    x = 5,249,567,706.95/67,008.11
  6. Step 6: Final answer
    x = 78,342.27

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1.5x scale

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.