Home / 43,854.99-65,778.35-12,267.87

Finding the Fourth Proportional to 43,854.99, 65,778.35 and 12,267.87

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Solution

The fourth proportional to 43,854.99, 65,778.35 and 12,267.87 is: 18,400.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,854.99 : 65,778.35 = 12,267.87 : x
  2. Step 2: Convert to fraction form
    43,854.99/65,778.35 = 12,267.87/x
  3. Step 3: Cross multiply
    43,854.99x = 65,778.35 × 12,267.87
  4. Step 4: Simplify right side
    43,854.99x = 806,960,246.61
  5. Step 5: Solve for x
    x = 806,960,246.61/43,854.99
  6. Step 6: Final answer
    x = 18,400.65

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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.