Home / 88,336.90-121,908.09-50,618.44

Finding the Fourth Proportional to 88,336.90, 121,908.09 and 50,618.44

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Solution

The fourth proportional to 88,336.90, 121,908.09 and 50,618.44 is: 69,855.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,336.90 : 121,908.09 = 50,618.44 : x
  2. Step 2: Convert to fraction form
    88,336.90/121,908.09 = 50,618.44/x
  3. Step 3: Cross multiply
    88,336.90x = 121,908.09 × 50,618.44
  4. Step 4: Simplify right side
    88,336.90x = 6,170,797,339.18
  5. Step 5: Solve for x
    x = 6,170,797,339.18/88,336.90
  6. Step 6: Final answer
    x = 69,855.26

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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.