Home / 102,378.74-153,589.97-35,821.04

Finding the Fourth Proportional to 102,378.74, 153,589.97 and 35,821.04

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Solution

The fourth proportional to 102,378.74, 153,589.97 and 35,821.04 is: 53,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,378.74 : 153,589.97 = 35,821.04 : x
  2. Step 2: Convert to fraction form
    102,378.74/153,589.97 = 35,821.04/x
  3. Step 3: Cross multiply
    102,378.74x = 153,589.97 × 35,821.04
  4. Step 4: Simplify right side
    102,378.74x = 5,501,751,780.57
  5. Step 5: Solve for x
    x = 5,501,751,780.57/102,378.74
  6. Step 6: Final answer
    x = 53,739.20

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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.