Home / 87,283.92-120,451.95-49,558.17

Finding the Fourth Proportional to 87,283.92, 120,451.95 and 49,558.17

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Solution

The fourth proportional to 87,283.92, 120,451.95 and 49,558.17 is: 68,390.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,283.92 : 120,451.95 = 49,558.17 : x
  2. Step 2: Convert to fraction form
    87,283.92/120,451.95 = 49,558.17/x
  3. Step 3: Cross multiply
    87,283.92x = 120,451.95 × 49,558.17
  4. Step 4: Simplify right side
    87,283.92x = 5,969,378,214.93
  5. Step 5: Solve for x
    x = 5,969,378,214.93/87,283.92
  6. Step 6: Final answer
    x = 68,390.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.