Home / 107,869.96-161,688.06-55,207.24

Finding the Fourth Proportional to 107,869.96, 161,688.06 and 55,207.24

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Solution

The fourth proportional to 107,869.96, 161,688.06 and 55,207.24 is: 82,751.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,869.96 : 161,688.06 = 55,207.24 : x
  2. Step 2: Convert to fraction form
    107,869.96/161,688.06 = 55,207.24/x
  3. Step 3: Cross multiply
    107,869.96x = 161,688.06 × 55,207.24
  4. Step 4: Simplify right side
    107,869.96x = 8,926,351,533.55
  5. Step 5: Solve for x
    x = 8,926,351,533.55/107,869.96
  6. Step 6: Final answer
    x = 82,751.04

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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.