Home / 113,412.13-170,142.79-34,524.30

Finding the Fourth Proportional to 113,412.13, 170,142.79 and 34,524.30

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Solution

The fourth proportional to 113,412.13, 170,142.79 and 34,524.30 is: 51,793.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,412.13 : 170,142.79 = 34,524.30 : x
  2. Step 2: Convert to fraction form
    113,412.13/170,142.79 = 34,524.30/x
  3. Step 3: Cross multiply
    113,412.13x = 170,142.79 × 34,524.30
  4. Step 4: Simplify right side
    113,412.13x = 5,874,060,724.80
  5. Step 5: Solve for x
    x = 5,874,060,724.80/113,412.13
  6. Step 6: Final answer
    x = 51,793.94

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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.