Home / 67,931.64-101,909.70-27,943.56

Finding the Fourth Proportional to 67,931.64, 101,909.70 and 27,943.56

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Solution

The fourth proportional to 67,931.64, 101,909.70 and 27,943.56 is: 41,920.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,931.64 : 101,909.70 = 27,943.56 : x
  2. Step 2: Convert to fraction form
    67,931.64/101,909.70 = 27,943.56/x
  3. Step 3: Cross multiply
    67,931.64x = 101,909.70 × 27,943.56
  4. Step 4: Simplify right side
    67,931.64x = 2,847,719,816.53
  5. Step 5: Solve for x
    x = 2,847,719,816.53/67,931.64
  6. Step 6: Final answer
    x = 41,920.37

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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.