Home / 74,425.70-111,656.55-21,836.90

Finding the Fourth Proportional to 74,425.70, 111,656.55 and 21,836.90

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Solution

The fourth proportional to 74,425.70, 111,656.55 and 21,836.90 is: 32,760.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,425.70 : 111,656.55 = 21,836.90 : x
  2. Step 2: Convert to fraction form
    74,425.70/111,656.55 = 21,836.90/x
  3. Step 3: Cross multiply
    74,425.70x = 111,656.55 × 21,836.90
  4. Step 4: Simplify right side
    74,425.70x = 2,438,232,916.70
  5. Step 5: Solve for x
    x = 2,438,232,916.70/74,425.70
  6. Step 6: Final answer
    x = 32,760.63

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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.