Home / 68,714.40-103,075.68-21,333.96

Finding the Fourth Proportional to 68,714.40, 103,075.68 and 21,333.96

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Solution

The fourth proportional to 68,714.40, 103,075.68 and 21,333.96 is: 32,002.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,714.40 : 103,075.68 = 21,333.96 : x
  2. Step 2: Convert to fraction form
    68,714.40/103,075.68 = 21,333.96/x
  3. Step 3: Cross multiply
    68,714.40x = 103,075.68 × 21,333.96
  4. Step 4: Simplify right side
    68,714.40x = 2,199,012,434.09
  5. Step 5: Solve for x
    x = 2,199,012,434.09/68,714.40
  6. Step 6: Final answer
    x = 32,002.21

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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.