Home / 75,682.77-104,442.24-43,870.12

Finding the Fourth Proportional to 75,682.77, 104,442.24 and 43,870.12

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Solution

The fourth proportional to 75,682.77, 104,442.24 and 43,870.12 is: 60,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,682.77 : 104,442.24 = 43,870.12 : x
  2. Step 2: Convert to fraction form
    75,682.77/104,442.24 = 43,870.12/x
  3. Step 3: Cross multiply
    75,682.77x = 104,442.24 × 43,870.12
  4. Step 4: Simplify right side
    75,682.77x = 4,581,893,601.87
  5. Step 5: Solve for x
    x = 4,581,893,601.87/75,682.77
  6. Step 6: Final answer
    x = 60,540.78

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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.