Home / 75,784.98-113,662.12-25,838

Finding the Fourth Proportional to 75,784.98, 113,662.12 and 25,838

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Solution

The fourth proportional to 75,784.98, 113,662.12 and 25,838 is: 38,751.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,784.98 : 113,662.12 = 25,838 : x
  2. Step 2: Convert to fraction form
    75,784.98/113,662.12 = 25,838/x
  3. Step 3: Cross multiply
    75,784.98x = 113,662.12 × 25,838
  4. Step 4: Simplify right side
    75,784.98x = 2,936,801,856.56
  5. Step 5: Solve for x
    x = 2,936,801,856.56/75,784.98
  6. Step 6: Final answer
    x = 38,751.77

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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.