Home / 88,227.36-121,759.20-50,500.80

Finding the Fourth Proportional to 88,227.36, 121,759.20 and 50,500.80

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Solution

The fourth proportional to 88,227.36, 121,759.20 and 50,500.80 is: 69,694.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,227.36 : 121,759.20 = 50,500.80 : x
  2. Step 2: Convert to fraction form
    88,227.36/121,759.20 = 50,500.80/x
  3. Step 3: Cross multiply
    88,227.36x = 121,759.20 × 50,500.80
  4. Step 4: Simplify right side
    88,227.36x = 6,148,937,007.36
  5. Step 5: Solve for x
    x = 6,148,937,007.36/88,227.36
  6. Step 6: Final answer
    x = 69,694.22

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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.