Home / 88,991.25-122,777.39-50,723.19

Finding the Fourth Proportional to 88,991.25, 122,777.39 and 50,723.19

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Solution

The fourth proportional to 88,991.25, 122,777.39 and 50,723.19 is: 69,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,991.25 : 122,777.39 = 50,723.19 : x
  2. Step 2: Convert to fraction form
    88,991.25/122,777.39 = 50,723.19/x
  3. Step 3: Cross multiply
    88,991.25x = 122,777.39 × 50,723.19
  4. Step 4: Simplify right side
    88,991.25x = 6,227,661,300.92
  5. Step 5: Solve for x
    x = 6,227,661,300.92/88,991.25
  6. Step 6: Final answer
    x = 69,980.60

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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.