Home / 88,888.20-122,665.83-50,646.07

Finding the Fourth Proportional to 88,888.20, 122,665.83 and 50,646.07

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Solution

The fourth proportional to 88,888.20, 122,665.83 and 50,646.07 is: 69,891.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,888.20 : 122,665.83 = 50,646.07 : x
  2. Step 2: Convert to fraction form
    88,888.20/122,665.83 = 50,646.07/x
  3. Step 3: Cross multiply
    88,888.20x = 122,665.83 × 50,646.07
  4. Step 4: Simplify right side
    88,888.20x = 6,212,542,176.20
  5. Step 5: Solve for x
    x = 6,212,542,176.20/88,888.20
  6. Step 6: Final answer
    x = 69,891.64

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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.