Home / 75,548.18-113,336.04-31,150.28

Finding the Fourth Proportional to 75,548.18, 113,336.04 and 31,150.28

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Solution

The fourth proportional to 75,548.18, 113,336.04 and 31,150.28 is: 46,731.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,548.18 : 113,336.04 = 31,150.28 : x
  2. Step 2: Convert to fraction form
    75,548.18/113,336.04 = 31,150.28/x
  3. Step 3: Cross multiply
    75,548.18x = 113,336.04 × 31,150.28
  4. Step 4: Simplify right side
    75,548.18x = 3,530,449,380.09
  5. Step 5: Solve for x
    x = 3,530,449,380.09/75,548.18
  6. Step 6: Final answer
    x = 46,731.10

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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.