Home / 88,195.71-121,710.47-47,910.15

Finding the Fourth Proportional to 88,195.71, 121,710.47 and 47,910.15

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Solution

The fourth proportional to 88,195.71, 121,710.47 and 47,910.15 is: 66,116.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,195.71 : 121,710.47 = 47,910.15 : x
  2. Step 2: Convert to fraction form
    88,195.71/121,710.47 = 47,910.15/x
  3. Step 3: Cross multiply
    88,195.71x = 121,710.47 × 47,910.15
  4. Step 4: Simplify right side
    88,195.71x = 5,831,166,634.72
  5. Step 5: Solve for x
    x = 5,831,166,634.72/88,195.71
  6. Step 6: Final answer
    x = 66,116.22

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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.