Home / 124,793.77-172,212.87-68,205.55

Finding the Fourth Proportional to 124,793.77, 172,212.87 and 68,205.55

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Solution

The fourth proportional to 124,793.77, 172,212.87 and 68,205.55 is: 94,122.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,793.77 : 172,212.87 = 68,205.55 : x
  2. Step 2: Convert to fraction form
    124,793.77/172,212.87 = 68,205.55/x
  3. Step 3: Cross multiply
    124,793.77x = 172,212.87 × 68,205.55
  4. Step 4: Simplify right side
    124,793.77x = 11,745,873,515.43
  5. Step 5: Solve for x
    x = 11,745,873,515.43/124,793.77
  6. Step 6: Final answer
    x = 94,122.27

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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.