Home / 115,203.92-172,755.14-58,242.76

Finding the Fourth Proportional to 115,203.92, 172,755.14 and 58,242.76

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Solution

The fourth proportional to 115,203.92, 172,755.14 and 58,242.76 is: 87,338.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,203.92 : 172,755.14 = 58,242.76 : x
  2. Step 2: Convert to fraction form
    115,203.92/172,755.14 = 58,242.76/x
  3. Step 3: Cross multiply
    115,203.92x = 172,755.14 × 58,242.76
  4. Step 4: Simplify right side
    115,203.92x = 10,061,736,157.79
  5. Step 5: Solve for x
    x = 10,061,736,157.79/115,203.92
  6. Step 6: Final answer
    x = 87,338.49

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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.