Home / 91,847.68-126,749.73-51,561.52

Finding the Fourth Proportional to 91,847.68, 126,749.73 and 51,561.52

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Solution

The fourth proportional to 91,847.68, 126,749.73 and 51,561.52 is: 71,154.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,847.68 : 126,749.73 = 51,561.52 : x
  2. Step 2: Convert to fraction form
    91,847.68/126,749.73 = 51,561.52/x
  3. Step 3: Cross multiply
    91,847.68x = 126,749.73 × 51,561.52
  4. Step 4: Simplify right side
    91,847.68x = 6,535,408,738.39
  5. Step 5: Solve for x
    x = 6,535,408,738.39/91,847.68
  6. Step 6: Final answer
    x = 71,154.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.