Home / 67,981.69-101,972.57-25,852.04

Finding the Fourth Proportional to 67,981.69, 101,972.57 and 25,852.04

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Solution

The fourth proportional to 67,981.69, 101,972.57 and 25,852.04 is: 38,778.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,981.69 : 101,972.57 = 25,852.04 : x
  2. Step 2: Convert to fraction form
    67,981.69/101,972.57 = 25,852.04/x
  3. Step 3: Cross multiply
    67,981.69x = 101,972.57 × 25,852.04
  4. Step 4: Simplify right side
    67,981.69x = 2,636,198,829.28
  5. Step 5: Solve for x
    x = 2,636,198,829.28/67,981.69
  6. Step 6: Final answer
    x = 38,778.07

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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.