Home / 113,773.85-157,007.74-62,786.58

Finding the Fourth Proportional to 113,773.85, 157,007.74 and 62,786.58

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Solution

The fourth proportional to 113,773.85, 157,007.74 and 62,786.58 is: 86,645.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,773.85 : 157,007.74 = 62,786.58 : x
  2. Step 2: Convert to fraction form
    113,773.85/157,007.74 = 62,786.58/x
  3. Step 3: Cross multiply
    113,773.85x = 157,007.74 × 62,786.58
  4. Step 4: Simplify right side
    113,773.85x = 9,857,979,028.13
  5. Step 5: Solve for x
    x = 9,857,979,028.13/113,773.85
  6. Step 6: Final answer
    x = 86,645.38

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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.