Home / 67,991.46-101,971.74-25,856.52

Finding the Fourth Proportional to 67,991.46, 101,971.74 and 25,856.52

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Solution

The fourth proportional to 67,991.46, 101,971.74 and 25,856.52 is: 38,778.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,991.46 : 101,971.74 = 25,856.52 : x
  2. Step 2: Convert to fraction form
    67,991.46/101,971.74 = 25,856.52/x
  3. Step 3: Cross multiply
    67,991.46x = 101,971.74 × 25,856.52
  4. Step 4: Simplify right side
    67,991.46x = 2,636,634,334.74
  5. Step 5: Solve for x
    x = 2,636,634,334.74/67,991.46
  6. Step 6: Final answer
    x = 38,778.90

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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.