Home / 88,194.42-121,708.68-47,908.86

Finding the Fourth Proportional to 88,194.42, 121,708.68 and 47,908.86

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Solution

The fourth proportional to 88,194.42, 121,708.68 and 47,908.86 is: 66,114.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,194.42 : 121,708.68 = 47,908.86 : x
  2. Step 2: Convert to fraction form
    88,194.42/121,708.68 = 47,908.86/x
  3. Step 3: Cross multiply
    88,194.42x = 121,708.68 × 47,908.86
  4. Step 4: Simplify right side
    88,194.42x = 5,830,924,110.90
  5. Step 5: Solve for x
    x = 5,830,924,110.90/88,194.42
  6. Step 6: Final answer
    x = 66,114.43

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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.