Home / 74,258.67-111,392.88-21,663.75

Finding the Fourth Proportional to 74,258.67, 111,392.88 and 21,663.75

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Solution

The fourth proportional to 74,258.67, 111,392.88 and 21,663.75 is: 32,497.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,258.67 : 111,392.88 = 21,663.75 : x
  2. Step 2: Convert to fraction form
    74,258.67/111,392.88 = 21,663.75/x
  3. Step 3: Cross multiply
    74,258.67x = 111,392.88 × 21,663.75
  4. Step 4: Simplify right side
    74,258.67x = 2,413,187,504.10
  5. Step 5: Solve for x
    x = 2,413,187,504.10/74,258.67
  6. Step 6: Final answer
    x = 32,497.05

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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.