Home / 67,275.28-92,838.72-38,983.60

Finding the Fourth Proportional to 67,275.28, 92,838.72 and 38,983.60

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Solution

The fourth proportional to 67,275.28, 92,838.72 and 38,983.60 is: 53,796.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,275.28 : 92,838.72 = 38,983.60 : x
  2. Step 2: Convert to fraction form
    67,275.28/92,838.72 = 38,983.60/x
  3. Step 3: Cross multiply
    67,275.28x = 92,838.72 × 38,983.60
  4. Step 4: Simplify right side
    67,275.28x = 3,619,187,524.99
  5. Step 5: Solve for x
    x = 3,619,187,524.99/67,275.28
  6. Step 6: Final answer
    x = 53,796.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.