Home / 91,183.71-125,854.53-53,470.11

Finding the Fourth Proportional to 91,183.71, 125,854.53 and 53,470.11

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Solution

The fourth proportional to 91,183.71, 125,854.53 and 53,470.11 is: 73,801.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,183.71 : 125,854.53 = 53,470.11 : x
  2. Step 2: Convert to fraction form
    91,183.71/125,854.53 = 53,470.11/x
  3. Step 3: Cross multiply
    91,183.71x = 125,854.53 × 53,470.11
  4. Step 4: Simplify right side
    91,183.71x = 6,729,455,563.10
  5. Step 5: Solve for x
    x = 6,729,455,563.10/91,183.71
  6. Step 6: Final answer
    x = 73,801.07

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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.