Home / 90,799.92-125,285.04-53,066.88

Finding the Fourth Proportional to 90,799.92, 125,285.04 and 53,066.88

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Solution

The fourth proportional to 90,799.92, 125,285.04 and 53,066.88 is: 73,221.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,799.92 : 125,285.04 = 53,066.88 : x
  2. Step 2: Convert to fraction form
    90,799.92/125,285.04 = 53,066.88/x
  3. Step 3: Cross multiply
    90,799.92x = 125,285.04 × 53,066.88
  4. Step 4: Simplify right side
    90,799.92x = 6,648,486,183.48
  5. Step 5: Solve for x
    x = 6,648,486,183.48/90,799.92
  6. Step 6: Final answer
    x = 73,221.28

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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.