Home / 75,796.30-113,643.72-36,331.88

Finding the Fourth Proportional to 75,796.30, 113,643.72 and 36,331.88

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Solution

The fourth proportional to 75,796.30, 113,643.72 and 36,331.88 is: 54,473.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,796.30 : 113,643.72 = 36,331.88 : x
  2. Step 2: Convert to fraction form
    75,796.30/113,643.72 = 36,331.88/x
  3. Step 3: Cross multiply
    75,796.30x = 113,643.72 × 36,331.88
  4. Step 4: Simplify right side
    75,796.30x = 4,128,890,281.90
  5. Step 5: Solve for x
    x = 4,128,890,281.90/75,796.30
  6. Step 6: Final answer
    x = 54,473.51

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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.