Home / 113,721.77-156,933.53-62,734.54

Finding the Fourth Proportional to 113,721.77, 156,933.53 and 62,734.54

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Solution

The fourth proportional to 113,721.77, 156,933.53 and 62,734.54 is: 86,572.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,721.77 : 156,933.53 = 62,734.54 : x
  2. Step 2: Convert to fraction form
    113,721.77/156,933.53 = 62,734.54/x
  3. Step 3: Cross multiply
    113,721.77x = 156,933.53 × 62,734.54
  4. Step 4: Simplify right side
    113,721.77x = 9,845,152,815.13
  5. Step 5: Solve for x
    x = 9,845,152,815.13/113,721.77
  6. Step 6: Final answer
    x = 86,572.28

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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.