Home / 75,241.28-112,786.08-47,181.16

Finding the Fourth Proportional to 75,241.28, 112,786.08 and 47,181.16

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Solution

The fourth proportional to 75,241.28, 112,786.08 and 47,181.16 is: 70,724.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,241.28 : 112,786.08 = 47,181.16 : x
  2. Step 2: Convert to fraction form
    75,241.28/112,786.08 = 47,181.16/x
  3. Step 3: Cross multiply
    75,241.28x = 112,786.08 × 47,181.16
  4. Step 4: Simplify right side
    75,241.28x = 5,321,378,086.25
  5. Step 5: Solve for x
    x = 5,321,378,086.25/75,241.28
  6. Step 6: Final answer
    x = 70,724.18

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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.