Home / 53,929.10-80,880.69-27,620.30

Finding the Fourth Proportional to 53,929.10, 80,880.69 and 27,620.30

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Solution

The fourth proportional to 53,929.10, 80,880.69 and 27,620.30 is: 41,423.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,929.10 : 80,880.69 = 27,620.30 : x
  2. Step 2: Convert to fraction form
    53,929.10/80,880.69 = 27,620.30/x
  3. Step 3: Cross multiply
    53,929.10x = 80,880.69 × 27,620.30
  4. Step 4: Simplify right side
    53,929.10x = 2,233,948,922.01
  5. Step 5: Solve for x
    x = 2,233,948,922.01/53,929.10
  6. Step 6: Final answer
    x = 41,423.81

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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.