Home / 91,849.20-126,751.38-51,562.95

Finding the Fourth Proportional to 91,849.20, 126,751.38 and 51,562.95

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Solution

The fourth proportional to 91,849.20, 126,751.38 and 51,562.95 is: 71,156.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,849.20 : 126,751.38 = 51,562.95 : x
  2. Step 2: Convert to fraction form
    91,849.20/126,751.38 = 51,562.95/x
  3. Step 3: Cross multiply
    91,849.20x = 126,751.38 × 51,562.95
  4. Step 4: Simplify right side
    91,849.20x = 6,535,675,069.37
  5. Step 5: Solve for x
    x = 6,535,675,069.37/91,849.20
  6. Step 6: Final answer
    x = 71,156.58

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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.