Home / 88,231.25-121,759.13-48,487.25

Finding the Fourth Proportional to 88,231.25, 121,759.13 and 48,487.25

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Solution

The fourth proportional to 88,231.25, 121,759.13 and 48,487.25 is: 66,912.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,231.25 : 121,759.13 = 48,487.25 : x
  2. Step 2: Convert to fraction form
    88,231.25/121,759.13 = 48,487.25/x
  3. Step 3: Cross multiply
    88,231.25x = 121,759.13 × 48,487.25
  4. Step 4: Simplify right side
    88,231.25x = 5,903,765,376.09
  5. Step 5: Solve for x
    x = 5,903,765,376.09/88,231.25
  6. Step 6: Final answer
    x = 66,912.41

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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.