Home / 74,549.52-111,789.19-21,948.52

Finding the Fourth Proportional to 74,549.52, 111,789.19 and 21,948.52

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Solution

The fourth proportional to 74,549.52, 111,789.19 and 21,948.52 is: 32,912.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,549.52 : 111,789.19 = 21,948.52 : x
  2. Step 2: Convert to fraction form
    74,549.52/111,789.19 = 21,948.52/x
  3. Step 3: Cross multiply
    74,549.52x = 111,789.19 × 21,948.52
  4. Step 4: Simplify right side
    74,549.52x = 2,453,607,272.50
  5. Step 5: Solve for x
    x = 2,453,607,272.50/74,549.52
  6. Step 6: Final answer
    x = 32,912.45

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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.