Home / 57,084.14-85,635.43-19,635.08

Finding the Fourth Proportional to 57,084.14, 85,635.43 and 19,635.08

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Solution

The fourth proportional to 57,084.14, 85,635.43 and 19,635.08 is: 29,455.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,084.14 : 85,635.43 = 19,635.08 : x
  2. Step 2: Convert to fraction form
    57,084.14/85,635.43 = 19,635.08/x
  3. Step 3: Cross multiply
    57,084.14x = 85,635.43 × 19,635.08
  4. Step 4: Simplify right side
    57,084.14x = 1,681,458,041.62
  5. Step 5: Solve for x
    x = 1,681,458,041.62/57,084.14
  6. Step 6: Final answer
    x = 29,455.78

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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.