Home / 81,567.54-122,345.83-22,398.25

Finding the Fourth Proportional to 81,567.54, 122,345.83 and 22,398.25

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Solution

The fourth proportional to 81,567.54, 122,345.83 and 22,398.25 is: 33,595.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,567.54 : 122,345.83 = 22,398.25 : x
  2. Step 2: Convert to fraction form
    81,567.54/122,345.83 = 22,398.25/x
  3. Step 3: Cross multiply
    81,567.54x = 122,345.83 × 22,398.25
  4. Step 4: Simplify right side
    81,567.54x = 2,740,332,486.80
  5. Step 5: Solve for x
    x = 2,740,332,486.80/81,567.54
  6. Step 6: Final answer
    x = 33,595.87

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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.