Home / 126,448.98-189,683.19-47,561.46

Finding the Fourth Proportional to 126,448.98, 189,683.19 and 47,561.46

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Solution

The fourth proportional to 126,448.98, 189,683.19 and 47,561.46 is: 71,345.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,448.98 : 189,683.19 = 47,561.46 : x
  2. Step 2: Convert to fraction form
    126,448.98/189,683.19 = 47,561.46/x
  3. Step 3: Cross multiply
    126,448.98x = 189,683.19 × 47,561.46
  4. Step 4: Simplify right side
    126,448.98x = 9,021,609,453.86
  5. Step 5: Solve for x
    x = 9,021,609,453.86/126,448.98
  6. Step 6: Final answer
    x = 71,345.85

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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.