Home / 115,306.35-172,964.70-35,338.46

Finding the Fourth Proportional to 115,306.35, 172,964.70 and 35,338.46

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Solution

The fourth proportional to 115,306.35, 172,964.70 and 35,338.46 is: 53,009.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,306.35 : 172,964.70 = 35,338.46 : x
  2. Step 2: Convert to fraction form
    115,306.35/172,964.70 = 35,338.46/x
  3. Step 3: Cross multiply
    115,306.35x = 172,964.70 × 35,338.46
  4. Step 4: Simplify right side
    115,306.35x = 6,112,305,572.09
  5. Step 5: Solve for x
    x = 6,112,305,572.09/115,306.35
  6. Step 6: Final answer
    x = 53,009.27

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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.