Home / 107,433.90-161,016.45-54,864.30

Finding the Fourth Proportional to 107,433.90, 161,016.45 and 54,864.30

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Solution

The fourth proportional to 107,433.90, 161,016.45 and 54,864.30 is: 82,227.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,433.90 : 161,016.45 = 54,864.30 : x
  2. Step 2: Convert to fraction form
    107,433.90/161,016.45 = 54,864.30/x
  3. Step 3: Cross multiply
    107,433.90x = 161,016.45 × 54,864.30
  4. Step 4: Simplify right side
    107,433.90x = 8,834,054,817.74
  5. Step 5: Solve for x
    x = 8,834,054,817.74/107,433.90
  6. Step 6: Final answer
    x = 82,227.81

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1.5x scale

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.