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Finding the Fourth Proportional to 74,133.20, 111,214.20 and 32,013.20

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Solution

The fourth proportional to 74,133.20, 111,214.20 and 32,013.20 is: 48,026.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,133.20 : 111,214.20 = 32,013.20 : x
  2. Step 2: Convert to fraction form
    74,133.20/111,214.20 = 32,013.20/x
  3. Step 3: Cross multiply
    74,133.20x = 111,214.20 × 32,013.20
  4. Step 4: Simplify right side
    74,133.20x = 3,560,322,427.44
  5. Step 5: Solve for x
    x = 3,560,322,427.44/74,133.20
  6. Step 6: Final answer
    x = 48,026.02

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1.5x scale

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.