Home / 115,664.92-173,498.62-40,771.12

Finding the Fourth Proportional to 115,664.92, 173,498.62 and 40,771.12

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Solution

The fourth proportional to 115,664.92, 173,498.62 and 40,771.12 is: 61,157.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,664.92 : 173,498.62 = 40,771.12 : x
  2. Step 2: Convert to fraction form
    115,664.92/173,498.62 = 40,771.12/x
  3. Step 3: Cross multiply
    115,664.92x = 173,498.62 × 40,771.12
  4. Step 4: Simplify right side
    115,664.92x = 7,073,733,055.85
  5. Step 5: Solve for x
    x = 7,073,733,055.85/115,664.92
  6. Step 6: Final answer
    x = 61,157.12

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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.