Home / 43,423.64-65,143.26-15,359.96

Finding the Fourth Proportional to 43,423.64, 65,143.26 and 15,359.96

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Solution

The fourth proportional to 43,423.64, 65,143.26 and 15,359.96 is: 23,042.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,423.64 : 65,143.26 = 15,359.96 : x
  2. Step 2: Convert to fraction form
    43,423.64/65,143.26 = 15,359.96/x
  3. Step 3: Cross multiply
    43,423.64x = 65,143.26 × 15,359.96
  4. Step 4: Simplify right side
    43,423.64x = 1,000,597,867.87
  5. Step 5: Solve for x
    x = 1,000,597,867.87/43,423.64
  6. Step 6: Final answer
    x = 23,042.70

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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.