Home / 88,195.73-121,712.30-47,909.48

Finding the Fourth Proportional to 88,195.73, 121,712.30 and 47,909.48

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Solution

The fourth proportional to 88,195.73, 121,712.30 and 47,909.48 is: 66,116.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,195.73 : 121,712.30 = 47,909.48 : x
  2. Step 2: Convert to fraction form
    88,195.73/121,712.30 = 47,909.48/x
  3. Step 3: Cross multiply
    88,195.73x = 121,712.30 × 47,909.48
  4. Step 4: Simplify right side
    88,195.73x = 5,831,173,002.60
  5. Step 5: Solve for x
    x = 5,831,173,002.60/88,195.73
  6. Step 6: Final answer
    x = 66,116.27

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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.