Home / 43,601.16-65,401.74-12,436.52

Finding the Fourth Proportional to 43,601.16, 65,401.74 and 12,436.52

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Solution

The fourth proportional to 43,601.16, 65,401.74 and 12,436.52 is: 18,654.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,601.16 : 65,401.74 = 12,436.52 : x
  2. Step 2: Convert to fraction form
    43,601.16/65,401.74 = 12,436.52/x
  3. Step 3: Cross multiply
    43,601.16x = 65,401.74 × 12,436.52
  4. Step 4: Simplify right side
    43,601.16x = 813,370,047.54
  5. Step 5: Solve for x
    x = 813,370,047.54/43,601.16
  6. Step 6: Final answer
    x = 18,654.78

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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.