Home / 88,192.73-121,708.16-47,906.48

Finding the Fourth Proportional to 88,192.73, 121,708.16 and 47,906.48

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Solution

The fourth proportional to 88,192.73, 121,708.16 and 47,906.48 is: 66,112.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,192.73 : 121,708.16 = 47,906.48 : x
  2. Step 2: Convert to fraction form
    88,192.73/121,708.16 = 47,906.48/x
  3. Step 3: Cross multiply
    88,192.73x = 121,708.16 × 47,906.48
  4. Step 4: Simplify right side
    88,192.73x = 5,830,609,532.88
  5. Step 5: Solve for x
    x = 5,830,609,532.88/88,192.73
  6. Step 6: Final answer
    x = 66,112.13

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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.