Home / 87,749.68-121,094.04-50,023.12

Finding the Fourth Proportional to 87,749.68, 121,094.04 and 50,023.12

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Solution

The fourth proportional to 87,749.68, 121,094.04 and 50,023.12 is: 69,031.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,749.68 : 121,094.04 = 50,023.12 : x
  2. Step 2: Convert to fraction form
    87,749.68/121,094.04 = 50,023.12/x
  3. Step 3: Cross multiply
    87,749.68x = 121,094.04 × 50,023.12
  4. Step 4: Simplify right side
    87,749.68x = 6,057,501,694.20
  5. Step 5: Solve for x
    x = 6,057,501,694.20/87,749.68
  6. Step 6: Final answer
    x = 69,031.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.