Home / 75,997.92-114,011.52-31,600.80

Finding the Fourth Proportional to 75,997.92, 114,011.52 and 31,600.80

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Solution

The fourth proportional to 75,997.92, 114,011.52 and 31,600.80 is: 47,407.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,997.92 : 114,011.52 = 31,600.80 : x
  2. Step 2: Convert to fraction form
    75,997.92/114,011.52 = 31,600.80/x
  3. Step 3: Cross multiply
    75,997.92x = 114,011.52 × 31,600.80
  4. Step 4: Simplify right side
    75,997.92x = 3,602,855,241.22
  5. Step 5: Solve for x
    x = 3,602,855,241.22/75,997.92
  6. Step 6: Final answer
    x = 47,407.29

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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.