Home / 80,031.48-120,053.31-23,867.20

Finding the Fourth Proportional to 80,031.48, 120,053.31 and 23,867.20

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Solution

The fourth proportional to 80,031.48, 120,053.31 and 23,867.20 is: 35,802.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,031.48 : 120,053.31 = 23,867.20 : x
  2. Step 2: Convert to fraction form
    80,031.48/120,053.31 = 23,867.20/x
  3. Step 3: Cross multiply
    80,031.48x = 120,053.31 × 23,867.20
  4. Step 4: Simplify right side
    80,031.48x = 2,865,336,360.43
  5. Step 5: Solve for x
    x = 2,865,336,360.43/80,031.48
  6. Step 6: Final answer
    x = 35,802.62

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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.