Home / 74,092.11-111,156.39-21,500.84

Finding the Fourth Proportional to 74,092.11, 111,156.39 and 21,500.84

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Solution

The fourth proportional to 74,092.11, 111,156.39 and 21,500.84 is: 32,256.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,092.11 : 111,156.39 = 21,500.84 : x
  2. Step 2: Convert to fraction form
    74,092.11/111,156.39 = 21,500.84/x
  3. Step 3: Cross multiply
    74,092.11x = 111,156.39 × 21,500.84
  4. Step 4: Simplify right side
    74,092.11x = 2,389,955,200.59
  5. Step 5: Solve for x
    x = 2,389,955,200.59/74,092.11
  6. Step 6: Final answer
    x = 32,256.54

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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.