Home / 92,639.57-138,958.34-22,518.95

Finding the Fourth Proportional to 92,639.57, 138,958.34 and 22,518.95

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Solution

The fourth proportional to 92,639.57, 138,958.34 and 22,518.95 is: 33,778.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,639.57 : 138,958.34 = 22,518.95 : x
  2. Step 2: Convert to fraction form
    92,639.57/138,958.34 = 22,518.95/x
  3. Step 3: Cross multiply
    92,639.57x = 138,958.34 × 22,518.95
  4. Step 4: Simplify right side
    92,639.57x = 3,129,195,103.16
  5. Step 5: Solve for x
    x = 3,129,195,103.16/92,639.57
  6. Step 6: Final answer
    x = 33,778.17

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1.5x scale

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.