Home / 74,387.48-111,581.19-21,796.95

Finding the Fourth Proportional to 74,387.48, 111,581.19 and 21,796.95

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Solution

The fourth proportional to 74,387.48, 111,581.19 and 21,796.95 is: 32,695.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,387.48 : 111,581.19 = 21,796.95 : x
  2. Step 2: Convert to fraction form
    74,387.48/111,581.19 = 21,796.95/x
  3. Step 3: Cross multiply
    74,387.48x = 111,581.19 × 21,796.95
  4. Step 4: Simplify right side
    74,387.48x = 2,432,129,619.37
  5. Step 5: Solve for x
    x = 2,432,129,619.37/74,387.48
  6. Step 6: Final answer
    x = 32,695.42

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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.