Home / 126,090.12-189,162.90-37,350.54

Finding the Fourth Proportional to 126,090.12, 189,162.90 and 37,350.54

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Solution

The fourth proportional to 126,090.12, 189,162.90 and 37,350.54 is: 56,034.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,090.12 : 189,162.90 = 37,350.54 : x
  2. Step 2: Convert to fraction form
    126,090.12/189,162.90 = 37,350.54/x
  3. Step 3: Cross multiply
    126,090.12x = 189,162.90 × 37,350.54
  4. Step 4: Simplify right side
    126,090.12x = 7,065,336,462.97
  5. Step 5: Solve for x
    x = 7,065,336,462.97/126,090.12
  6. Step 6: Final answer
    x = 56,034.02

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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.