Home / 57,987.54-86,833.62-38,206.14

Finding the Fourth Proportional to 57,987.54, 86,833.62 and 38,206.14

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Solution

The fourth proportional to 57,987.54, 86,833.62 and 38,206.14 is: 57,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,987.54 : 86,833.62 = 38,206.14 : x
  2. Step 2: Convert to fraction form
    57,987.54/86,833.62 = 38,206.14/x
  3. Step 3: Cross multiply
    57,987.54x = 86,833.62 × 38,206.14
  4. Step 4: Simplify right side
    57,987.54x = 3,317,577,442.43
  5. Step 5: Solve for x
    x = 3,317,577,442.43/57,987.54
  6. Step 6: Final answer
    x = 57,211.90

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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.