Home / 88,166.49-121,669.38-47,879.97

Finding the Fourth Proportional to 88,166.49, 121,669.38 and 47,879.97

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Solution

The fourth proportional to 88,166.49, 121,669.38 and 47,879.97 is: 66,074.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,166.49 : 121,669.38 = 47,879.97 : x
  2. Step 2: Convert to fraction form
    88,166.49/121,669.38 = 47,879.97/x
  3. Step 3: Cross multiply
    88,166.49x = 121,669.38 × 47,879.97
  4. Step 4: Simplify right side
    88,166.49x = 5,825,526,264.32
  5. Step 5: Solve for x
    x = 5,825,526,264.32/88,166.49
  6. Step 6: Final answer
    x = 66,074.15

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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.