Home / 68,330.20-102,495.30-41,949.40

Finding the Fourth Proportional to 68,330.20, 102,495.30 and 41,949.40

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Solution

The fourth proportional to 68,330.20, 102,495.30 and 41,949.40 is: 62,924.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,330.20 : 102,495.30 = 41,949.40 : x
  2. Step 2: Convert to fraction form
    68,330.20/102,495.30 = 41,949.40/x
  3. Step 3: Cross multiply
    68,330.20x = 102,495.30 × 41,949.40
  4. Step 4: Simplify right side
    68,330.20x = 4,299,616,337.82
  5. Step 5: Solve for x
    x = 4,299,616,337.82/68,330.20
  6. Step 6: Final answer
    x = 62,924.10

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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.