Home / 57,811.47-86,715.36-26,198.38

Finding the Fourth Proportional to 57,811.47, 86,715.36 and 26,198.38

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Solution

The fourth proportional to 57,811.47, 86,715.36 and 26,198.38 is: 39,296.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,811.47 : 86,715.36 = 26,198.38 : x
  2. Step 2: Convert to fraction form
    57,811.47/86,715.36 = 26,198.38/x
  3. Step 3: Cross multiply
    57,811.47x = 86,715.36 × 26,198.38
  4. Step 4: Simplify right side
    57,811.47x = 2,271,802,061.51
  5. Step 5: Solve for x
    x = 2,271,802,061.51/57,811.47
  6. Step 6: Final answer
    x = 39,296.74

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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.