Home / 113,028.24-155,979.40-62,727.24

Finding the Fourth Proportional to 113,028.24, 155,979.40 and 62,727.24

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Solution

The fourth proportional to 113,028.24, 155,979.40 and 62,727.24 is: 86,563.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,028.24 : 155,979.40 = 62,727.24 : x
  2. Step 2: Convert to fraction form
    113,028.24/155,979.40 = 62,727.24/x
  3. Step 3: Cross multiply
    113,028.24x = 155,979.40 × 62,727.24
  4. Step 4: Simplify right side
    113,028.24x = 9,784,157,258.86
  5. Step 5: Solve for x
    x = 9,784,157,258.86/113,028.24
  6. Step 6: Final answer
    x = 86,563.83

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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.