Home / 73,165.20-109,747.80-49,664.40

Finding the Fourth Proportional to 73,165.20, 109,747.80 and 49,664.40

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Solution

The fourth proportional to 73,165.20, 109,747.80 and 49,664.40 is: 74,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,165.20 : 109,747.80 = 49,664.40 : x
  2. Step 2: Convert to fraction form
    73,165.20/109,747.80 = 49,664.40/x
  3. Step 3: Cross multiply
    73,165.20x = 109,747.80 × 49,664.40
  4. Step 4: Simplify right side
    73,165.20x = 5,450,558,638.32
  5. Step 5: Solve for x
    x = 5,450,558,638.32/73,165.20
  6. Step 6: Final answer
    x = 74,496.60

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Similar ratio
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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.