Home / 45,140.11-67,668.70-15,550.91

Finding the Fourth Proportional to 45,140.11, 67,668.70 and 15,550.91

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Solution

The fourth proportional to 45,140.11, 67,668.70 and 15,550.91 is: 23,312.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,140.11 : 67,668.70 = 15,550.91 : x
  2. Step 2: Convert to fraction form
    45,140.11/67,668.70 = 15,550.91/x
  3. Step 3: Cross multiply
    45,140.11x = 67,668.70 × 15,550.91
  4. Step 4: Simplify right side
    45,140.11x = 1,052,309,863.52
  5. Step 5: Solve for x
    x = 1,052,309,863.52/45,140.11
  6. Step 6: Final answer
    x = 23,312.08

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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.