Home / 45,271.30-67,863.21-15,666.88

Finding the Fourth Proportional to 45,271.30, 67,863.21 and 15,666.88

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Solution

The fourth proportional to 45,271.30, 67,863.21 and 15,666.88 is: 23,485.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,271.30 : 67,863.21 = 15,666.88 : x
  2. Step 2: Convert to fraction form
    45,271.30/67,863.21 = 15,666.88/x
  3. Step 3: Cross multiply
    45,271.30x = 67,863.21 × 15,666.88
  4. Step 4: Simplify right side
    45,271.30x = 1,063,204,767.48
  5. Step 5: Solve for x
    x = 1,063,204,767.48/45,271.30
  6. Step 6: Final answer
    x = 23,485.18

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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.