Home / 121,793.23-168,096.05-70,821.73

Finding the Fourth Proportional to 121,793.23, 168,096.05 and 70,821.73

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Solution

The fourth proportional to 121,793.23, 168,096.05 and 70,821.73 is: 97,746.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,793.23 : 168,096.05 = 70,821.73 : x
  2. Step 2: Convert to fraction form
    121,793.23/168,096.05 = 70,821.73/x
  3. Step 3: Cross multiply
    121,793.23x = 168,096.05 × 70,821.73
  4. Step 4: Simplify right side
    121,793.23x = 11,904,853,067.17
  5. Step 5: Solve for x
    x = 11,904,853,067.17/121,793.23
  6. Step 6: Final answer
    x = 97,746.43

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1.5x scale

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.