Home / 64,286.12-96,428.15-17,538.99

Finding the Fourth Proportional to 64,286.12, 96,428.15 and 17,538.99

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Solution

The fourth proportional to 64,286.12, 96,428.15 and 17,538.99 is: 26,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,286.12 : 96,428.15 = 17,538.99 : x
  2. Step 2: Convert to fraction form
    64,286.12/96,428.15 = 17,538.99/x
  3. Step 3: Cross multiply
    64,286.12x = 96,428.15 × 17,538.99
  4. Step 4: Simplify right side
    64,286.12x = 1,691,252,270.87
  5. Step 5: Solve for x
    x = 1,691,252,270.87/64,286.12
  6. Step 6: Final answer
    x = 26,308.20

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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.