Home / 88,216.29-121,738.61-47,930.04

Finding the Fourth Proportional to 88,216.29, 121,738.61 and 47,930.04

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Solution

The fourth proportional to 88,216.29, 121,738.61 and 47,930.04 is: 66,143.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,216.29 : 121,738.61 = 47,930.04 : x
  2. Step 2: Convert to fraction form
    88,216.29/121,738.61 = 47,930.04/x
  3. Step 3: Cross multiply
    88,216.29x = 121,738.61 × 47,930.04
  4. Step 4: Simplify right side
    88,216.29x = 5,834,936,224.28
  5. Step 5: Solve for x
    x = 5,834,936,224.28/88,216.29
  6. Step 6: Final answer
    x = 66,143.52

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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.