Home / 74,267.30-111,399.10-21,677.24

Finding the Fourth Proportional to 74,267.30, 111,399.10 and 21,677.24

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Solution

The fourth proportional to 74,267.30, 111,399.10 and 21,677.24 is: 32,515.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,267.30 : 111,399.10 = 21,677.24 : x
  2. Step 2: Convert to fraction form
    74,267.30/111,399.10 = 21,677.24/x
  3. Step 3: Cross multiply
    74,267.30x = 111,399.10 × 21,677.24
  4. Step 4: Simplify right side
    74,267.30x = 2,414,825,026.48
  5. Step 5: Solve for x
    x = 2,414,825,026.48/74,267.30
  6. Step 6: Final answer
    x = 32,515.32

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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.