Home / 40,134.60-60,202.36-10,555.43

Finding the Fourth Proportional to 40,134.60, 60,202.36 and 10,555.43

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Solution

The fourth proportional to 40,134.60, 60,202.36 and 10,555.43 is: 15,833.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,134.60 : 60,202.36 = 10,555.43 : x
  2. Step 2: Convert to fraction form
    40,134.60/60,202.36 = 10,555.43/x
  3. Step 3: Cross multiply
    40,134.60x = 60,202.36 × 10,555.43
  4. Step 4: Simplify right side
    40,134.60x = 635,461,619.92
  5. Step 5: Solve for x
    x = 635,461,619.92/40,134.60
  6. Step 6: Final answer
    x = 15,833.26

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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.