Home / 78,587.62-108,464.97-50,292.34

Finding the Fourth Proportional to 78,587.62, 108,464.97 and 50,292.34

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Solution

The fourth proportional to 78,587.62, 108,464.97 and 50,292.34 is: 69,412.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,587.62 : 108,464.97 = 50,292.34 : x
  2. Step 2: Convert to fraction form
    78,587.62/108,464.97 = 50,292.34/x
  3. Step 3: Cross multiply
    78,587.62x = 108,464.97 × 50,292.34
  4. Step 4: Simplify right side
    78,587.62x = 5,454,957,149.33
  5. Step 5: Solve for x
    x = 5,454,957,149.33/78,587.62
  6. Step 6: Final answer
    x = 69,412.42

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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.