Home / 67,634.46-101,468.39-20,887.34

Finding the Fourth Proportional to 67,634.46, 101,468.39 and 20,887.34

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Solution

The fourth proportional to 67,634.46, 101,468.39 and 20,887.34 is: 31,336.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,634.46 : 101,468.39 = 20,887.34 : x
  2. Step 2: Convert to fraction form
    67,634.46/101,468.39 = 20,887.34/x
  3. Step 3: Cross multiply
    67,634.46x = 101,468.39 × 20,887.34
  4. Step 4: Simplify right side
    67,634.46x = 2,119,404,149.40
  5. Step 5: Solve for x
    x = 2,119,404,149.40/67,634.46
  6. Step 6: Final answer
    x = 31,336.16

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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.