Home / 75,556.22-113,115.34-56,914.74

Finding the Fourth Proportional to 75,556.22, 113,115.34 and 56,914.74

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Solution

The fourth proportional to 75,556.22, 113,115.34 and 56,914.74 is: 85,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,556.22 : 113,115.34 = 56,914.74 : x
  2. Step 2: Convert to fraction form
    75,556.22/113,115.34 = 56,914.74/x
  3. Step 3: Cross multiply
    75,556.22x = 113,115.34 × 56,914.74
  4. Step 4: Simplify right side
    75,556.22x = 6,437,930,166.11
  5. Step 5: Solve for x
    x = 6,437,930,166.11/75,556.22
  6. Step 6: Final answer
    x = 85,207.15

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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.