Home / 113,963.72-157,279.41-62,986.41

Finding the Fourth Proportional to 113,963.72, 157,279.41 and 62,986.41

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Solution

The fourth proportional to 113,963.72, 157,279.41 and 62,986.41 is: 86,926.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,963.72 : 157,279.41 = 62,986.41 : x
  2. Step 2: Convert to fraction form
    113,963.72/157,279.41 = 62,986.41/x
  3. Step 3: Cross multiply
    113,963.72x = 157,279.41 × 62,986.41
  4. Step 4: Simplify right side
    113,963.72x = 9,906,465,402.82
  5. Step 5: Solve for x
    x = 9,906,465,402.82/113,963.72
  6. Step 6: Final answer
    x = 86,926.48

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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.