Home / 124,367.25-171,626.82-67,778.64

Finding the Fourth Proportional to 124,367.25, 171,626.82 and 67,778.64

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Solution

The fourth proportional to 124,367.25, 171,626.82 and 67,778.64 is: 93,534.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,367.25 : 171,626.82 = 67,778.64 : x
  2. Step 2: Convert to fraction form
    124,367.25/171,626.82 = 67,778.64/x
  3. Step 3: Cross multiply
    124,367.25x = 171,626.82 × 67,778.64
  4. Step 4: Simplify right side
    124,367.25x = 11,632,632,447.12
  5. Step 5: Solve for x
    x = 11,632,632,447.12/124,367.25
  6. Step 6: Final answer
    x = 93,534.53

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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.