Home / 75,822.40-113,733.60-36,359.20

Finding the Fourth Proportional to 75,822.40, 113,733.60 and 36,359.20

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Solution

The fourth proportional to 75,822.40, 113,733.60 and 36,359.20 is: 54,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,822.40 : 113,733.60 = 36,359.20 : x
  2. Step 2: Convert to fraction form
    75,822.40/113,733.60 = 36,359.20/x
  3. Step 3: Cross multiply
    75,822.40x = 113,733.60 × 36,359.20
  4. Step 4: Simplify right side
    75,822.40x = 4,135,262,709.12
  5. Step 5: Solve for x
    x = 4,135,262,709.12/75,822.40
  6. Step 6: Final answer
    x = 54,538.80

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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.