Home / 87,814.05-131,803.69-83,014.74

Finding the Fourth Proportional to 87,814.05, 131,803.69 and 83,014.74

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Solution

The fourth proportional to 87,814.05, 131,803.69 and 83,014.74 is: 124,600.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,814.05 : 131,803.69 = 83,014.74 : x
  2. Step 2: Convert to fraction form
    87,814.05/131,803.69 = 83,014.74/x
  3. Step 3: Cross multiply
    87,814.05x = 131,803.69 × 83,014.74
  4. Step 4: Simplify right side
    87,814.05x = 10,941,649,056.39
  5. Step 5: Solve for x
    x = 10,941,649,056.39/87,814.05
  6. Step 6: Final answer
    x = 124,600.21

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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.