Home / 67,825.40-101,736.56-17,909.00

Finding the Fourth Proportional to 67,825.40, 101,736.56 and 17,909.00

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Solution

The fourth proportional to 67,825.40, 101,736.56 and 17,909.00 is: 26,863.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,825.40 : 101,736.56 = 17,909.00 : x
  2. Step 2: Convert to fraction form
    67,825.40/101,736.56 = 17,909.00/x
  3. Step 3: Cross multiply
    67,825.40x = 101,736.56 × 17,909.00
  4. Step 4: Simplify right side
    67,825.40x = 1,821,999,869.90
  5. Step 5: Solve for x
    x = 1,821,999,869.90/67,825.40
  6. Step 6: Final answer
    x = 26,863.09

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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.