Home / 43,207.99-64,665.61-26,578.55

Finding the Fourth Proportional to 43,207.99, 64,665.61 and 26,578.55

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Solution

The fourth proportional to 43,207.99, 64,665.61 and 26,578.55 is: 39,777.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,207.99 : 64,665.61 = 26,578.55 : x
  2. Step 2: Convert to fraction form
    43,207.99/64,665.61 = 26,578.55/x
  3. Step 3: Cross multiply
    43,207.99x = 64,665.61 × 26,578.55
  4. Step 4: Simplify right side
    43,207.99x = 1,718,718,148.67
  5. Step 5: Solve for x
    x = 1,718,718,148.67/43,207.99
  6. Step 6: Final answer
    x = 39,777.79

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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.