Home / 109,126.94-163,635.04-49,911.87

Finding the Fourth Proportional to 109,126.94, 163,635.04 and 49,911.87

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Solution

The fourth proportional to 109,126.94, 163,635.04 and 49,911.87 is: 74,842.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,126.94 : 163,635.04 = 49,911.87 : x
  2. Step 2: Convert to fraction form
    109,126.94/163,635.04 = 49,911.87/x
  3. Step 3: Cross multiply
    109,126.94x = 163,635.04 × 49,911.87
  4. Step 4: Simplify right side
    109,126.94x = 8,167,330,843.92
  5. Step 5: Solve for x
    x = 8,167,330,843.92/109,126.94
  6. Step 6: Final answer
    x = 74,842.48

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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.