Home / 107,538.48-161,202.60-48,389.04

Finding the Fourth Proportional to 107,538.48, 161,202.60 and 48,389.04

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Solution

The fourth proportional to 107,538.48, 161,202.60 and 48,389.04 is: 72,536.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,538.48 : 161,202.60 = 48,389.04 : x
  2. Step 2: Convert to fraction form
    107,538.48/161,202.60 = 48,389.04/x
  3. Step 3: Cross multiply
    107,538.48x = 161,202.60 × 48,389.04
  4. Step 4: Simplify right side
    107,538.48x = 7,800,439,059.50
  5. Step 5: Solve for x
    x = 7,800,439,059.50/107,538.48
  6. Step 6: Final answer
    x = 72,536.26

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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.