Home / 57,716.85-86,574.33-18,273.90

Finding the Fourth Proportional to 57,716.85, 86,574.33 and 18,273.90

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Solution

The fourth proportional to 57,716.85, 86,574.33 and 18,273.90 is: 27,410.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,716.85 : 86,574.33 = 18,273.90 : x
  2. Step 2: Convert to fraction form
    57,716.85/86,574.33 = 18,273.90/x
  3. Step 3: Cross multiply
    57,716.85x = 86,574.33 × 18,273.90
  4. Step 4: Simplify right side
    57,716.85x = 1,582,050,648.99
  5. Step 5: Solve for x
    x = 1,582,050,648.99/57,716.85
  6. Step 6: Final answer
    x = 27,410.55

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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.