Home / 88,161.92-121,664.33-47,876.03

Finding the Fourth Proportional to 88,161.92, 121,664.33 and 47,876.03

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Solution

The fourth proportional to 88,161.92, 121,664.33 and 47,876.03 is: 66,069.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,161.92 : 121,664.33 = 47,876.03 : x
  2. Step 2: Convert to fraction form
    88,161.92/121,664.33 = 47,876.03/x
  3. Step 3: Cross multiply
    88,161.92x = 121,664.33 × 47,876.03
  4. Step 4: Simplify right side
    88,161.92x = 5,824,804,265.31
  5. Step 5: Solve for x
    x = 5,824,804,265.31/88,161.92
  6. Step 6: Final answer
    x = 66,069.39

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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.