Home / 80,274.29-120,417.21-27,683.02

Finding the Fourth Proportional to 80,274.29, 120,417.21 and 27,683.02

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Solution

The fourth proportional to 80,274.29, 120,417.21 and 27,683.02 is: 41,526.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,274.29 : 120,417.21 = 27,683.02 : x
  2. Step 2: Convert to fraction form
    80,274.29/120,417.21 = 27,683.02/x
  3. Step 3: Cross multiply
    80,274.29x = 120,417.21 × 27,683.02
  4. Step 4: Simplify right side
    80,274.29x = 3,333,512,032.77
  5. Step 5: Solve for x
    x = 3,333,512,032.77/80,274.29
  6. Step 6: Final answer
    x = 41,526.52

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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.