Home / 73,118.43-109,663.77-35,640.84

Finding the Fourth Proportional to 73,118.43, 109,663.77 and 35,640.84

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Solution

The fourth proportional to 73,118.43, 109,663.77 and 35,640.84 is: 53,454.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,118.43 : 109,663.77 = 35,640.84 : x
  2. Step 2: Convert to fraction form
    73,118.43/109,663.77 = 35,640.84/x
  3. Step 3: Cross multiply
    73,118.43x = 109,663.77 × 35,640.84
  4. Step 4: Simplify right side
    73,118.43x = 3,908,508,880.37
  5. Step 5: Solve for x
    x = 3,908,508,880.37/73,118.43
  6. Step 6: Final answer
    x = 53,454.50

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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.