Home / 61,091.62-91,634.10-16,715.17

Finding the Fourth Proportional to 61,091.62, 91,634.10 and 16,715.17

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Solution

The fourth proportional to 61,091.62, 91,634.10 and 16,715.17 is: 25,071.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,091.62 : 91,634.10 = 16,715.17 : x
  2. Step 2: Convert to fraction form
    61,091.62/91,634.10 = 16,715.17/x
  3. Step 3: Cross multiply
    61,091.62x = 91,634.10 × 16,715.17
  4. Step 4: Simplify right side
    61,091.62x = 1,531,679,475.72
  5. Step 5: Solve for x
    x = 1,531,679,475.72/61,091.62
  6. Step 6: Final answer
    x = 25,071.84

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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.