Home / 88,611.33-122,290.90-50,382.88

Finding the Fourth Proportional to 88,611.33, 122,290.90 and 50,382.88

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Solution

The fourth proportional to 88,611.33, 122,290.90 and 50,382.88 is: 69,532.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,611.33 : 122,290.90 = 50,382.88 : x
  2. Step 2: Convert to fraction form
    88,611.33/122,290.90 = 50,382.88/x
  3. Step 3: Cross multiply
    88,611.33x = 122,290.90 × 50,382.88
  4. Step 4: Simplify right side
    88,611.33x = 6,161,367,308.11
  5. Step 5: Solve for x
    x = 6,161,367,308.11/88,611.33
  6. Step 6: Final answer
    x = 69,532.50

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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.