Home / 97,935.20-146,859.60-38,751.20

Finding the Fourth Proportional to 97,935.20, 146,859.60 and 38,751.20

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Solution

The fourth proportional to 97,935.20, 146,859.60 and 38,751.20 is: 58,109.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,935.20 : 146,859.60 = 38,751.20 : x
  2. Step 2: Convert to fraction form
    97,935.20/146,859.60 = 38,751.20/x
  3. Step 3: Cross multiply
    97,935.20x = 146,859.60 × 38,751.20
  4. Step 4: Simplify right side
    97,935.20x = 5,690,985,731.52
  5. Step 5: Solve for x
    x = 5,690,985,731.52/97,935.20
  6. Step 6: Final answer
    x = 58,109.71

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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.