Home / 107,528.12-161,191.43-36,401.01

Finding the Fourth Proportional to 107,528.12, 161,191.43 and 36,401.01

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Solution

The fourth proportional to 107,528.12, 161,191.43 and 36,401.01 is: 54,567.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,528.12 : 161,191.43 = 36,401.01 : x
  2. Step 2: Convert to fraction form
    107,528.12/161,191.43 = 36,401.01/x
  3. Step 3: Cross multiply
    107,528.12x = 161,191.43 × 36,401.01
  4. Step 4: Simplify right side
    107,528.12x = 5,867,531,316.83
  5. Step 5: Solve for x
    x = 5,867,531,316.83/107,528.12
  6. Step 6: Final answer
    x = 54,567.41

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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.