Home / 91,194.32-125,848.68-53,469.20

Finding the Fourth Proportional to 91,194.32, 125,848.68 and 53,469.20

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Solution

The fourth proportional to 91,194.32, 125,848.68 and 53,469.20 is: 73,787.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,194.32 : 125,848.68 = 53,469.20 : x
  2. Step 2: Convert to fraction form
    91,194.32/125,848.68 = 53,469.20/x
  3. Step 3: Cross multiply
    91,194.32x = 125,848.68 × 53,469.20
  4. Step 4: Simplify right side
    91,194.32x = 6,729,028,240.66
  5. Step 5: Solve for x
    x = 6,729,028,240.66/91,194.32
  6. Step 6: Final answer
    x = 73,787.80

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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.