Home / 75,542.20-113,362.26-69,770.68

Finding the Fourth Proportional to 75,542.20, 113,362.26 and 69,770.68

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Solution

The fourth proportional to 75,542.20, 113,362.26 and 69,770.68 is: 104,701.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,542.20 : 113,362.26 = 69,770.68 : x
  2. Step 2: Convert to fraction form
    75,542.20/113,362.26 = 69,770.68/x
  3. Step 3: Cross multiply
    75,542.20x = 113,362.26 × 69,770.68
  4. Step 4: Simplify right side
    75,542.20x = 7,909,361,966.54
  5. Step 5: Solve for x
    x = 7,909,361,966.54/75,542.20
  6. Step 6: Final answer
    x = 104,701.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.