Home / 98,878.75-148,194.77-48,236.04

Finding the Fourth Proportional to 98,878.75, 148,194.77 and 48,236.04

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Solution

The fourth proportional to 98,878.75, 148,194.77 and 48,236.04 is: 72,293.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,878.75 : 148,194.77 = 48,236.04 : x
  2. Step 2: Convert to fraction form
    98,878.75/148,194.77 = 48,236.04/x
  3. Step 3: Cross multiply
    98,878.75x = 148,194.77 × 48,236.04
  4. Step 4: Simplify right side
    98,878.75x = 7,148,328,612.33
  5. Step 5: Solve for x
    x = 7,148,328,612.33/98,878.75
  6. Step 6: Final answer
    x = 72,293.88

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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.