Home / 53,642.85-80,446.41-18,094.56

Finding the Fourth Proportional to 53,642.85, 80,446.41 and 18,094.56

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Solution

The fourth proportional to 53,642.85, 80,446.41 and 18,094.56 is: 27,135.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,642.85 : 80,446.41 = 18,094.56 : x
  2. Step 2: Convert to fraction form
    53,642.85/80,446.41 = 18,094.56/x
  3. Step 3: Cross multiply
    53,642.85x = 80,446.41 × 18,094.56
  4. Step 4: Simplify right side
    53,642.85x = 1,455,642,392.53
  5. Step 5: Solve for x
    x = 1,455,642,392.53/53,642.85
  6. Step 6: Final answer
    x = 27,135.81

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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.