Home / 81,552.48-122,328.72-53,844

Finding the Fourth Proportional to 81,552.48, 122,328.72 and 53,844

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Solution

The fourth proportional to 81,552.48, 122,328.72 and 53,844 is: 80,766.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,552.48 : 122,328.72 = 53,844 : x
  2. Step 2: Convert to fraction form
    81,552.48/122,328.72 = 53,844/x
  3. Step 3: Cross multiply
    81,552.48x = 122,328.72 × 53,844
  4. Step 4: Simplify right side
    81,552.48x = 6,586,667,599.68
  5. Step 5: Solve for x
    x = 6,586,667,599.68/81,552.48
  6. Step 6: Final answer
    x = 80,766.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.