Home / 107,720.06-161,606.28-36,647.42

Finding the Fourth Proportional to 107,720.06, 161,606.28 and 36,647.42

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Solution

The fourth proportional to 107,720.06, 161,606.28 and 36,647.42 is: 54,980.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,720.06 : 161,606.28 = 36,647.42 : x
  2. Step 2: Convert to fraction form
    107,720.06/161,606.28 = 36,647.42/x
  3. Step 3: Cross multiply
    107,720.06x = 161,606.28 × 36,647.42
  4. Step 4: Simplify right side
    107,720.06x = 5,922,453,217.80
  5. Step 5: Solve for x
    x = 5,922,453,217.80/107,720.06
  6. Step 6: Final answer
    x = 54,980.04

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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.