Home / 126,090.60-189,135.09-37,344.57

Finding the Fourth Proportional to 126,090.60, 189,135.09 and 37,344.57

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Solution

The fourth proportional to 126,090.60, 189,135.09 and 37,344.57 is: 56,016.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,090.60 : 189,135.09 = 37,344.57 : x
  2. Step 2: Convert to fraction form
    126,090.60/189,135.09 = 37,344.57/x
  3. Step 3: Cross multiply
    126,090.60x = 189,135.09 × 37,344.57
  4. Step 4: Simplify right side
    126,090.60x = 7,063,168,607.96
  5. Step 5: Solve for x
    x = 7,063,168,607.96/126,090.60
  6. Step 6: Final answer
    x = 56,016.62

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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.