Home / 88,168.89-121,673.04-47,882.66

Finding the Fourth Proportional to 88,168.89, 121,673.04 and 47,882.66

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Solution

The fourth proportional to 88,168.89, 121,673.04 and 47,882.66 is: 66,078.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,168.89 : 121,673.04 = 47,882.66 : x
  2. Step 2: Convert to fraction form
    88,168.89/121,673.04 = 47,882.66/x
  3. Step 3: Cross multiply
    88,168.89x = 121,673.04 × 47,882.66
  4. Step 4: Simplify right side
    88,168.89x = 5,826,028,989.96
  5. Step 5: Solve for x
    x = 5,826,028,989.96/88,168.89
  6. Step 6: Final answer
    x = 66,078.06

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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.