Home / 75,517.32-104,174.64-45,288.12

Finding the Fourth Proportional to 75,517.32, 104,174.64 and 45,288.12

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Solution

The fourth proportional to 75,517.32, 104,174.64 and 45,288.12 is: 62,474.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,517.32 : 104,174.64 = 45,288.12 : x
  2. Step 2: Convert to fraction form
    75,517.32/104,174.64 = 45,288.12/x
  3. Step 3: Cross multiply
    75,517.32x = 104,174.64 × 45,288.12
  4. Step 4: Simplify right side
    75,517.32x = 4,717,873,597.28
  5. Step 5: Solve for x
    x = 4,717,873,597.28/75,517.32
  6. Step 6: Final answer
    x = 62,474.06

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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.