Home / 91,849.67-126,752.45-51,563.51

Finding the Fourth Proportional to 91,849.67, 126,752.45 and 51,563.51

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Solution

The fourth proportional to 91,849.67, 126,752.45 and 51,563.51 is: 71,157.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,849.67 : 126,752.45 = 51,563.51 : x
  2. Step 2: Convert to fraction form
    91,849.67/126,752.45 = 51,563.51/x
  3. Step 3: Cross multiply
    91,849.67x = 126,752.45 × 51,563.51
  4. Step 4: Simplify right side
    91,849.67x = 6,535,801,251.73
  5. Step 5: Solve for x
    x = 6,535,801,251.73/91,849.67
  6. Step 6: Final answer
    x = 71,157.59

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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.