Home / 113,721.58-156,935.78-62,734.43

Finding the Fourth Proportional to 113,721.58, 156,935.78 and 62,734.43

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Solution

The fourth proportional to 113,721.58, 156,935.78 and 62,734.43 is: 86,573.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,721.58 : 156,935.78 = 62,734.43 : x
  2. Step 2: Convert to fraction form
    113,721.58/156,935.78 = 62,734.43/x
  3. Step 3: Cross multiply
    113,721.58x = 156,935.78 × 62,734.43
  4. Step 4: Simplify right side
    113,721.58x = 9,845,277,018.83
  5. Step 5: Solve for x
    x = 9,845,277,018.83/113,721.58
  6. Step 6: Final answer
    x = 86,573.51

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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.