Home / 54,263.27-81,404.10-18,714.94

Finding the Fourth Proportional to 54,263.27, 81,404.10 and 18,714.94

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Solution

The fourth proportional to 54,263.27, 81,404.10 and 18,714.94 is: 28,075.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,263.27 : 81,404.10 = 18,714.94 : x
  2. Step 2: Convert to fraction form
    54,263.27/81,404.10 = 18,714.94/x
  3. Step 3: Cross multiply
    54,263.27x = 81,404.10 × 18,714.94
  4. Step 4: Simplify right side
    54,263.27x = 1,523,472,643.74
  5. Step 5: Solve for x
    x = 1,523,472,643.74/54,263.27
  6. Step 6: Final answer
    x = 28,075.58

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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.