Home / 53,961.14-80,941.80-14,517.20

Finding the Fourth Proportional to 53,961.14, 80,941.80 and 14,517.20

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Solution

The fourth proportional to 53,961.14, 80,941.80 and 14,517.20 is: 21,775.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,961.14 : 80,941.80 = 14,517.20 : x
  2. Step 2: Convert to fraction form
    53,961.14/80,941.80 = 14,517.20/x
  3. Step 3: Cross multiply
    53,961.14x = 80,941.80 × 14,517.20
  4. Step 4: Simplify right side
    53,961.14x = 1,175,048,298.96
  5. Step 5: Solve for x
    x = 1,175,048,298.96/53,961.14
  6. Step 6: Final answer
    x = 21,775.82

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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.