Home / 67,617.60-101,426.40-50,121.60

Finding the Fourth Proportional to 67,617.60, 101,426.40 and 50,121.60

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Solution

The fourth proportional to 67,617.60, 101,426.40 and 50,121.60 is: 75,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,617.60 : 101,426.40 = 50,121.60 : x
  2. Step 2: Convert to fraction form
    67,617.60/101,426.40 = 50,121.60/x
  3. Step 3: Cross multiply
    67,617.60x = 101,426.40 × 50,121.60
  4. Step 4: Simplify right side
    67,617.60x = 5,083,653,450.24
  5. Step 5: Solve for x
    x = 5,083,653,450.24/67,617.60
  6. Step 6: Final answer
    x = 75,182.40

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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.