Home / 113,000.87-169,556.63-45,530.10

Finding the Fourth Proportional to 113,000.87, 169,556.63 and 45,530.10

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Solution

The fourth proportional to 113,000.87, 169,556.63 and 45,530.10 is: 68,317.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,000.87 : 169,556.63 = 45,530.10 : x
  2. Step 2: Convert to fraction form
    113,000.87/169,556.63 = 45,530.10/x
  3. Step 3: Cross multiply
    113,000.87x = 169,556.63 × 45,530.10
  4. Step 4: Simplify right side
    113,000.87x = 7,719,930,091.91
  5. Step 5: Solve for x
    x = 7,719,930,091.91/113,000.87
  6. Step 6: Final answer
    x = 68,317.44

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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.