Home / 88,760.73-122,490.65-50,518.41

Finding the Fourth Proportional to 88,760.73, 122,490.65 and 50,518.41

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Solution

The fourth proportional to 88,760.73, 122,490.65 and 50,518.41 is: 69,715.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,760.73 : 122,490.65 = 50,518.41 : x
  2. Step 2: Convert to fraction form
    88,760.73/122,490.65 = 50,518.41/x
  3. Step 3: Cross multiply
    88,760.73x = 122,490.65 × 50,518.41
  4. Step 4: Simplify right side
    88,760.73x = 6,188,032,544.82
  5. Step 5: Solve for x
    x = 6,188,032,544.82/88,760.73
  6. Step 6: Final answer
    x = 69,715.88

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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.