Home / 107,401.10-161,039.90-44,264.80

Finding the Fourth Proportional to 107,401.10, 161,039.90 and 44,264.80

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Solution

The fourth proportional to 107,401.10, 161,039.90 and 44,264.80 is: 66,371.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,401.10 : 161,039.90 = 44,264.80 : x
  2. Step 2: Convert to fraction form
    107,401.10/161,039.90 = 44,264.80/x
  3. Step 3: Cross multiply
    107,401.10x = 161,039.90 × 44,264.80
  4. Step 4: Simplify right side
    107,401.10x = 7,128,398,965.52
  5. Step 5: Solve for x
    x = 7,128,398,965.52/107,401.10
  6. Step 6: Final answer
    x = 66,371.75

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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.