Home / 74,250.46-111,374.34-18,091

Finding the Fourth Proportional to 74,250.46, 111,374.34 and 18,091

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Solution

The fourth proportional to 74,250.46, 111,374.34 and 18,091 is: 27,136.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,250.46 : 111,374.34 = 18,091 : x
  2. Step 2: Convert to fraction form
    74,250.46/111,374.34 = 18,091/x
  3. Step 3: Cross multiply
    74,250.46x = 111,374.34 × 18,091
  4. Step 4: Simplify right side
    74,250.46x = 2,014,873,184.94
  5. Step 5: Solve for x
    x = 2,014,873,184.94/74,250.46
  6. Step 6: Final answer
    x = 27,136.17

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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.