Home / 113,721.75-156,933.50-62,734.52

Finding the Fourth Proportional to 113,721.75, 156,933.50 and 62,734.52

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Solution

The fourth proportional to 113,721.75, 156,933.50 and 62,734.52 is: 86,572.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,721.75 : 156,933.50 = 62,734.52 : x
  2. Step 2: Convert to fraction form
    113,721.75/156,933.50 = 62,734.52/x
  3. Step 3: Cross multiply
    113,721.75x = 156,933.50 × 62,734.52
  4. Step 4: Simplify right side
    113,721.75x = 9,845,146,696.08
  5. Step 5: Solve for x
    x = 9,845,146,696.08/113,721.75
  6. Step 6: Final answer
    x = 86,572.24

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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.