Home / 43,147.30-64,723.88-14,672.65

Finding the Fourth Proportional to 43,147.30, 64,723.88 and 14,672.65

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Solution

The fourth proportional to 43,147.30, 64,723.88 and 14,672.65 is: 22,009.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,147.30 : 64,723.88 = 14,672.65 : x
  2. Step 2: Convert to fraction form
    43,147.30/64,723.88 = 14,672.65/x
  3. Step 3: Cross multiply
    43,147.30x = 64,723.88 × 14,672.65
  4. Step 4: Simplify right side
    43,147.30x = 949,670,837.88
  5. Step 5: Solve for x
    x = 949,670,837.88/43,147.30
  6. Step 6: Final answer
    x = 22,009.97

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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.