Home / 107,526.30-161,322.26-54,972.69

Finding the Fourth Proportional to 107,526.30, 161,322.26 and 54,972.69

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Solution

The fourth proportional to 107,526.30, 161,322.26 and 54,972.69 is: 82,475.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,526.30 : 161,322.26 = 54,972.69 : x
  2. Step 2: Convert to fraction form
    107,526.30/161,322.26 = 54,972.69/x
  3. Step 3: Cross multiply
    107,526.30x = 161,322.26 × 54,972.69
  4. Step 4: Simplify right side
    107,526.30x = 8,868,318,771.31
  5. Step 5: Solve for x
    x = 8,868,318,771.31/107,526.30
  6. Step 6: Final answer
    x = 82,475.81

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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.