Home / 87,341.68-131,020.42-37,410.45

Finding the Fourth Proportional to 87,341.68, 131,020.42 and 37,410.45

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Solution

The fourth proportional to 87,341.68, 131,020.42 and 37,410.45 is: 56,119.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,341.68 : 131,020.42 = 37,410.45 : x
  2. Step 2: Convert to fraction form
    87,341.68/131,020.42 = 37,410.45/x
  3. Step 3: Cross multiply
    87,341.68x = 131,020.42 × 37,410.45
  4. Step 4: Simplify right side
    87,341.68x = 4,901,532,871.39
  5. Step 5: Solve for x
    x = 4,901,532,871.39/87,341.68
  6. Step 6: Final answer
    x = 56,119.06

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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.