Home / 91,182.84-125,853.31-53,469.24

Finding the Fourth Proportional to 91,182.84, 125,853.31 and 53,469.24

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Solution

The fourth proportional to 91,182.84, 125,853.31 and 53,469.24 is: 73,799.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,182.84 : 125,853.31 = 53,469.24 : x
  2. Step 2: Convert to fraction form
    91,182.84/125,853.31 = 53,469.24/x
  3. Step 3: Cross multiply
    91,182.84x = 125,853.31 × 53,469.24
  4. Step 4: Simplify right side
    91,182.84x = 6,729,280,837.18
  5. Step 5: Solve for x
    x = 6,729,280,837.18/91,182.84
  6. Step 6: Final answer
    x = 73,799.86

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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.