Home / 67,426.75-101,140.13-18,178.75

Finding the Fourth Proportional to 67,426.75, 101,140.13 and 18,178.75

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Solution

The fourth proportional to 67,426.75, 101,140.13 and 18,178.75 is: 27,268.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,426.75 : 101,140.13 = 18,178.75 : x
  2. Step 2: Convert to fraction form
    67,426.75/101,140.13 = 18,178.75/x
  3. Step 3: Cross multiply
    67,426.75x = 101,140.13 × 18,178.75
  4. Step 4: Simplify right side
    67,426.75x = 1,838,601,138.24
  5. Step 5: Solve for x
    x = 1,838,601,138.24/67,426.75
  6. Step 6: Final answer
    x = 27,268.13

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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.