Home / 75,793.20-104,532.96-66,698.92

Finding the Fourth Proportional to 75,793.20, 104,532.96 and 66,698.92

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Solution

The fourth proportional to 75,793.20, 104,532.96 and 66,698.92 is: 91,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,793.20 : 104,532.96 = 66,698.92 : x
  2. Step 2: Convert to fraction form
    75,793.20/104,532.96 = 66,698.92/x
  3. Step 3: Cross multiply
    75,793.20x = 104,532.96 × 66,698.92
  4. Step 4: Simplify right side
    75,793.20x = 6,972,235,536.40
  5. Step 5: Solve for x
    x = 6,972,235,536.40/75,793.20
  6. Step 6: Final answer
    x = 91,990.25

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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.