Home / 57,189.82-85,785.31-15,075.95

Finding the Fourth Proportional to 57,189.82, 85,785.31 and 15,075.95

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Solution

The fourth proportional to 57,189.82, 85,785.31 and 15,075.95 is: 22,614.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,189.82 : 85,785.31 = 15,075.95 : x
  2. Step 2: Convert to fraction form
    57,189.82/85,785.31 = 15,075.95/x
  3. Step 3: Cross multiply
    57,189.82x = 85,785.31 × 15,075.95
  4. Step 4: Simplify right side
    57,189.82x = 1,293,294,634.21
  5. Step 5: Solve for x
    x = 1,293,294,634.21/57,189.82
  6. Step 6: Final answer
    x = 22,614.07

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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.