Home / 107,473.72-161,148.06-79,027.68

Finding the Fourth Proportional to 107,473.72, 161,148.06 and 79,027.68

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Solution

The fourth proportional to 107,473.72, 161,148.06 and 79,027.68 is: 118,495.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,473.72 : 161,148.06 = 79,027.68 : x
  2. Step 2: Convert to fraction form
    107,473.72/161,148.06 = 79,027.68/x
  3. Step 3: Cross multiply
    107,473.72x = 161,148.06 × 79,027.68
  4. Step 4: Simplify right side
    107,473.72x = 12,735,157,318.30
  5. Step 5: Solve for x
    x = 12,735,157,318.30/107,473.72
  6. Step 6: Final answer
    x = 118,495.55

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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.