Home / 97,321.47-145,936.85-50,561.79

Finding the Fourth Proportional to 97,321.47, 145,936.85 and 50,561.79

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Solution

The fourth proportional to 97,321.47, 145,936.85 and 50,561.79 is: 75,819.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,321.47 : 145,936.85 = 50,561.79 : x
  2. Step 2: Convert to fraction form
    97,321.47/145,936.85 = 50,561.79/x
  3. Step 3: Cross multiply
    97,321.47x = 145,936.85 × 50,561.79
  4. Step 4: Simplify right side
    97,321.47x = 7,378,828,110.15
  5. Step 5: Solve for x
    x = 7,378,828,110.15/97,321.47
  6. Step 6: Final answer
    x = 75,819.12

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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.