Home / 91,135.08-125,766-50,846.45

Finding the Fourth Proportional to 91,135.08, 125,766 and 50,846.45

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Solution

The fourth proportional to 91,135.08, 125,766 and 50,846.45 is: 70,167.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,135.08 : 125,766 = 50,846.45 : x
  2. Step 2: Convert to fraction form
    91,135.08/125,766 = 50,846.45/x
  3. Step 3: Cross multiply
    91,135.08x = 125,766 × 50,846.45
  4. Step 4: Simplify right side
    91,135.08x = 6,394,754,001.87
  5. Step 5: Solve for x
    x = 6,394,754,001.87/91,135.08
  6. Step 6: Final answer
    x = 70,167.87

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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.