Home / 75,666.96-104,420.88-41,679.36

Finding the Fourth Proportional to 75,666.96, 104,420.88 and 41,679.36

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Solution

The fourth proportional to 75,666.96, 104,420.88 and 41,679.36 is: 57,517.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,666.96 : 104,420.88 = 41,679.36 : x
  2. Step 2: Convert to fraction form
    75,666.96/104,420.88 = 41,679.36/x
  3. Step 3: Cross multiply
    75,666.96x = 104,420.88 × 41,679.36
  4. Step 4: Simplify right side
    75,666.96x = 4,352,195,449.04
  5. Step 5: Solve for x
    x = 4,352,195,449.04/75,666.96
  6. Step 6: Final answer
    x = 57,517.78

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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.