Home / 75,347.22-113,042.22-61,438.80

Finding the Fourth Proportional to 75,347.22, 113,042.22 and 61,438.80

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Solution

The fourth proportional to 75,347.22, 113,042.22 and 61,438.80 is: 92,175.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,347.22 : 113,042.22 = 61,438.80 : x
  2. Step 2: Convert to fraction form
    75,347.22/113,042.22 = 61,438.80/x
  3. Step 3: Cross multiply
    75,347.22x = 113,042.22 × 61,438.80
  4. Step 4: Simplify right side
    75,347.22x = 6,945,178,346.14
  5. Step 5: Solve for x
    x = 6,945,178,346.14/75,347.22
  6. Step 6: Final answer
    x = 92,175.64

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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.