Home / 88,643.12-122,324.69-50,406.82

Finding the Fourth Proportional to 88,643.12, 122,324.69 and 50,406.82

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Solution

The fourth proportional to 88,643.12, 122,324.69 and 50,406.82 is: 69,559.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,643.12 : 122,324.69 = 50,406.82 : x
  2. Step 2: Convert to fraction form
    88,643.12/122,324.69 = 50,406.82/x
  3. Step 3: Cross multiply
    88,643.12x = 122,324.69 × 50,406.82
  4. Step 4: Simplify right side
    88,643.12x = 6,165,998,450.59
  5. Step 5: Solve for x
    x = 6,165,998,450.59/88,643.12
  6. Step 6: Final answer
    x = 69,559.81

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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.