Home / 75,835.22-113,704.22-31,492.58

Finding the Fourth Proportional to 75,835.22, 113,704.22 and 31,492.58

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Solution

The fourth proportional to 75,835.22, 113,704.22 and 31,492.58 is: 47,218.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,835.22 : 113,704.22 = 31,492.58 : x
  2. Step 2: Convert to fraction form
    75,835.22/113,704.22 = 31,492.58/x
  3. Step 3: Cross multiply
    75,835.22x = 113,704.22 × 31,492.58
  4. Step 4: Simplify right side
    75,835.22x = 3,580,838,754.90
  5. Step 5: Solve for x
    x = 3,580,838,754.90/75,835.22
  6. Step 6: Final answer
    x = 47,218.68

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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.