Home / 88,566.22-122,216.88-50,320.78

Finding the Fourth Proportional to 88,566.22, 122,216.88 and 50,320.78

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Solution

The fourth proportional to 88,566.22, 122,216.88 and 50,320.78 is: 69,440.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,566.22 : 122,216.88 = 50,320.78 : x
  2. Step 2: Convert to fraction form
    88,566.22/122,216.88 = 50,320.78/x
  3. Step 3: Cross multiply
    88,566.22x = 122,216.88 × 50,320.78
  4. Step 4: Simplify right side
    88,566.22x = 6,150,048,730.77
  5. Step 5: Solve for x
    x = 6,150,048,730.77/88,566.22
  6. Step 6: Final answer
    x = 69,440.12

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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.