Home / 45,542.86-68,309.15-12,265.36

Finding the Fourth Proportional to 45,542.86, 68,309.15 and 12,265.36

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Solution

The fourth proportional to 45,542.86, 68,309.15 and 12,265.36 is: 18,396.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,542.86 : 68,309.15 = 12,265.36 : x
  2. Step 2: Convert to fraction form
    45,542.86/68,309.15 = 12,265.36/x
  3. Step 3: Cross multiply
    45,542.86x = 68,309.15 × 12,265.36
  4. Step 4: Simplify right side
    45,542.86x = 837,835,974.50
  5. Step 5: Solve for x
    x = 837,835,974.50/45,542.86
  6. Step 6: Final answer
    x = 18,396.65

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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.