Home / 67,626.42-101,448.86-28,174.32

Finding the Fourth Proportional to 67,626.42, 101,448.86 and 28,174.32

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Solution

The fourth proportional to 67,626.42, 101,448.86 and 28,174.32 is: 42,265.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,626.42 : 101,448.86 = 28,174.32 : x
  2. Step 2: Convert to fraction form
    67,626.42/101,448.86 = 28,174.32/x
  3. Step 3: Cross multiply
    67,626.42x = 101,448.86 × 28,174.32
  4. Step 4: Simplify right side
    67,626.42x = 2,858,252,645.28
  5. Step 5: Solve for x
    x = 2,858,252,645.28/67,626.42
  6. Step 6: Final answer
    x = 42,265.33

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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.