Home / 67,626.32-101,450.40-20,868.24

Finding the Fourth Proportional to 67,626.32, 101,450.40 and 20,868.24

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Solution

The fourth proportional to 67,626.32, 101,450.40 and 20,868.24 is: 31,305.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,626.32 : 101,450.40 = 20,868.24 : x
  2. Step 2: Convert to fraction form
    67,626.32/101,450.40 = 20,868.24/x
  3. Step 3: Cross multiply
    67,626.32x = 101,450.40 × 20,868.24
  4. Step 4: Simplify right side
    67,626.32x = 2,117,091,295.30
  5. Step 5: Solve for x
    x = 2,117,091,295.30/67,626.32
  6. Step 6: Final answer
    x = 31,305.73

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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.