Home / 91,183.96-125,854.86-53,470.36

Finding the Fourth Proportional to 91,183.96, 125,854.86 and 53,470.36

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Solution

The fourth proportional to 91,183.96, 125,854.86 and 53,470.36 is: 73,801.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,183.96 : 125,854.86 = 53,470.36 : x
  2. Step 2: Convert to fraction form
    91,183.96/125,854.86 = 53,470.36/x
  3. Step 3: Cross multiply
    91,183.96x = 125,854.86 × 53,470.36
  4. Step 4: Simplify right side
    91,183.96x = 6,729,504,671.95
  5. Step 5: Solve for x
    x = 6,729,504,671.95/91,183.96
  6. Step 6: Final answer
    x = 73,801.41

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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.