Home / 81,633.54-122,497.56-34,244.40

Finding the Fourth Proportional to 81,633.54, 122,497.56 and 34,244.40

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Solution

The fourth proportional to 81,633.54, 122,497.56 and 34,244.40 is: 51,386.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,633.54 : 122,497.56 = 34,244.40 : x
  2. Step 2: Convert to fraction form
    81,633.54/122,497.56 = 34,244.40/x
  3. Step 3: Cross multiply
    81,633.54x = 122,497.56 × 34,244.40
  4. Step 4: Simplify right side
    81,633.54x = 4,194,855,443.66
  5. Step 5: Solve for x
    x = 4,194,855,443.66/81,633.54
  6. Step 6: Final answer
    x = 51,386.42

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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.