Home / 68,837.59-103,266.24-30,411.89

Finding the Fourth Proportional to 68,837.59, 103,266.24 and 30,411.89

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Solution

The fourth proportional to 68,837.59, 103,266.24 and 30,411.89 is: 45,622.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,837.59 : 103,266.24 = 30,411.89 : x
  2. Step 2: Convert to fraction form
    68,837.59/103,266.24 = 30,411.89/x
  3. Step 3: Cross multiply
    68,837.59x = 103,266.24 × 30,411.89
  4. Step 4: Simplify right side
    68,837.59x = 3,140,520,863.20
  5. Step 5: Solve for x
    x = 3,140,520,863.20/68,837.59
  6. Step 6: Final answer
    x = 45,622.18

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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.