Home / 67,299.12-100,943.26-17,381

Finding the Fourth Proportional to 67,299.12, 100,943.26 and 17,381

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Solution

The fourth proportional to 67,299.12, 100,943.26 and 17,381 is: 26,070.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,299.12 : 100,943.26 = 17,381 : x
  2. Step 2: Convert to fraction form
    67,299.12/100,943.26 = 17,381/x
  3. Step 3: Cross multiply
    67,299.12x = 100,943.26 × 17,381
  4. Step 4: Simplify right side
    67,299.12x = 1,754,494,802.06
  5. Step 5: Solve for x
    x = 1,754,494,802.06/67,299.12
  6. Step 6: Final answer
    x = 26,070.10

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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.