Home / 107,755.68-161,636.16-36,678.18

Finding the Fourth Proportional to 107,755.68, 161,636.16 and 36,678.18

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Solution

The fourth proportional to 107,755.68, 161,636.16 and 36,678.18 is: 55,018.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,755.68 : 161,636.16 = 36,678.18 : x
  2. Step 2: Convert to fraction form
    107,755.68/161,636.16 = 36,678.18/x
  3. Step 3: Cross multiply
    107,755.68x = 161,636.16 × 36,678.18
  4. Step 4: Simplify right side
    107,755.68x = 5,928,520,170.99
  5. Step 5: Solve for x
    x = 5,928,520,170.99/107,755.68
  6. Step 6: Final answer
    x = 55,018.17

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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.