Home / 75,662.15-104,409.77-43,395.11

Finding the Fourth Proportional to 75,662.15, 104,409.77 and 43,395.11

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Solution

The fourth proportional to 75,662.15, 104,409.77 and 43,395.11 is: 59,882.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,662.15 : 104,409.77 = 43,395.11 : x
  2. Step 2: Convert to fraction form
    75,662.15/104,409.77 = 43,395.11/x
  3. Step 3: Cross multiply
    75,662.15x = 104,409.77 × 43,395.11
  4. Step 4: Simplify right side
    75,662.15x = 4,530,873,454.22
  5. Step 5: Solve for x
    x = 4,530,873,454.22/75,662.15
  6. Step 6: Final answer
    x = 59,882.96

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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.