Home / 80,032.81-120,056.05-23,869.28

Finding the Fourth Proportional to 80,032.81, 120,056.05 and 23,869.28

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Solution

The fourth proportional to 80,032.81, 120,056.05 and 23,869.28 is: 35,805.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,032.81 : 120,056.05 = 23,869.28 : x
  2. Step 2: Convert to fraction form
    80,032.81/120,056.05 = 23,869.28/x
  3. Step 3: Cross multiply
    80,032.81x = 120,056.05 × 23,869.28
  4. Step 4: Simplify right side
    80,032.81x = 2,865,651,735.99
  5. Step 5: Solve for x
    x = 2,865,651,735.99/80,032.81
  6. Step 6: Final answer
    x = 35,805.96

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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.