Home / 57,581.68-86,382.36-26,419.60

Finding the Fourth Proportional to 57,581.68, 86,382.36 and 26,419.60

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Solution

The fourth proportional to 57,581.68, 86,382.36 and 26,419.60 is: 39,633.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,581.68 : 86,382.36 = 26,419.60 : x
  2. Step 2: Convert to fraction form
    57,581.68/86,382.36 = 26,419.60/x
  3. Step 3: Cross multiply
    57,581.68x = 86,382.36 × 26,419.60
  4. Step 4: Simplify right side
    57,581.68x = 2,282,187,398.26
  5. Step 5: Solve for x
    x = 2,282,187,398.26/57,581.68
  6. Step 6: Final answer
    x = 39,633.91

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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.