Home / 67,299.39-92,868.93-40,426.02

Finding the Fourth Proportional to 67,299.39, 92,868.93 and 40,426.02

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Solution

The fourth proportional to 67,299.39, 92,868.93 and 40,426.02 is: 55,785.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,299.39 : 92,868.93 = 40,426.02 : x
  2. Step 2: Convert to fraction form
    67,299.39/92,868.93 = 40,426.02/x
  3. Step 3: Cross multiply
    67,299.39x = 92,868.93 × 40,426.02
  4. Step 4: Simplify right side
    67,299.39x = 3,754,321,221.56
  5. Step 5: Solve for x
    x = 3,754,321,221.56/67,299.39
  6. Step 6: Final answer
    x = 55,785.37

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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.