Home / 75,800.38-113,667.54-21,753.16

Finding the Fourth Proportional to 75,800.38, 113,667.54 and 21,753.16

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Solution

The fourth proportional to 75,800.38, 113,667.54 and 21,753.16 is: 32,620.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,800.38 : 113,667.54 = 21,753.16 : x
  2. Step 2: Convert to fraction form
    75,800.38/113,667.54 = 21,753.16/x
  3. Step 3: Cross multiply
    75,800.38x = 113,667.54 × 21,753.16
  4. Step 4: Simplify right side
    75,800.38x = 2,472,628,184.43
  5. Step 5: Solve for x
    x = 2,472,628,184.43/75,800.38
  6. Step 6: Final answer
    x = 32,620.26

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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.