Home / 57,811.68-86,716.30-26,646.93

Finding the Fourth Proportional to 57,811.68, 86,716.30 and 26,646.93

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Solution

The fourth proportional to 57,811.68, 86,716.30 and 26,646.93 is: 39,969.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,811.68 : 86,716.30 = 26,646.93 : x
  2. Step 2: Convert to fraction form
    57,811.68/86,716.30 = 26,646.93/x
  3. Step 3: Cross multiply
    57,811.68x = 86,716.30 × 26,646.93
  4. Step 4: Simplify right side
    57,811.68x = 2,310,723,175.96
  5. Step 5: Solve for x
    x = 2,310,723,175.96/57,811.68
  6. Step 6: Final answer
    x = 39,969.83

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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.