Home / 88,200.27-121,717.22-47,914.34

Finding the Fourth Proportional to 88,200.27, 121,717.22 and 47,914.34

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Solution

The fourth proportional to 88,200.27, 121,717.22 and 47,914.34 is: 66,122.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,200.27 : 121,717.22 = 47,914.34 : x
  2. Step 2: Convert to fraction form
    88,200.27/121,717.22 = 47,914.34/x
  3. Step 3: Cross multiply
    88,200.27x = 121,717.22 × 47,914.34
  4. Step 4: Simplify right side
    88,200.27x = 5,831,999,414.78
  5. Step 5: Solve for x
    x = 5,831,999,414.78/88,200.27
  6. Step 6: Final answer
    x = 66,122.24

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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.