Home / 68,836.05-103,285.05-37,209.08

Finding the Fourth Proportional to 68,836.05, 103,285.05 and 37,209.08

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Solution

The fourth proportional to 68,836.05, 103,285.05 and 37,209.08 is: 55,830.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,836.05 : 103,285.05 = 37,209.08 : x
  2. Step 2: Convert to fraction form
    68,836.05/103,285.05 = 37,209.08/x
  3. Step 3: Cross multiply
    68,836.05x = 103,285.05 × 37,209.08
  4. Step 4: Simplify right side
    68,836.05x = 3,843,141,946.47
  5. Step 5: Solve for x
    x = 3,843,141,946.47/68,836.05
  6. Step 6: Final answer
    x = 55,830.37

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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.