Home / 67,300.20-92,872.26-42,163.56

Finding the Fourth Proportional to 67,300.20, 92,872.26 and 42,163.56

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Solution

The fourth proportional to 67,300.20, 92,872.26 and 42,163.56 is: 58,184.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,300.20 : 92,872.26 = 42,163.56 : x
  2. Step 2: Convert to fraction form
    67,300.20/92,872.26 = 42,163.56/x
  3. Step 3: Cross multiply
    67,300.20x = 92,872.26 × 42,163.56
  4. Step 4: Simplify right side
    67,300.20x = 3,915,825,106.85
  5. Step 5: Solve for x
    x = 3,915,825,106.85/67,300.20
  6. Step 6: Final answer
    x = 58,184.45

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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.