Home / 75,679.04-113,401.32-51,997.88

Finding the Fourth Proportional to 75,679.04, 113,401.32 and 51,997.88

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Solution

The fourth proportional to 75,679.04, 113,401.32 and 51,997.88 is: 77,916.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,679.04 : 113,401.32 = 51,997.88 : x
  2. Step 2: Convert to fraction form
    75,679.04/113,401.32 = 51,997.88/x
  3. Step 3: Cross multiply
    75,679.04x = 113,401.32 × 51,997.88
  4. Step 4: Simplify right side
    75,679.04x = 5,896,628,229.20
  5. Step 5: Solve for x
    x = 5,896,628,229.20/75,679.04
  6. Step 6: Final answer
    x = 77,916.27

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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.