Home / 68,624.52-102,922.38-19,365

Finding the Fourth Proportional to 68,624.52, 102,922.38 and 19,365

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Solution

The fourth proportional to 68,624.52, 102,922.38 and 19,365 is: 29,043.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,624.52 : 102,922.38 = 19,365 : x
  2. Step 2: Convert to fraction form
    68,624.52/102,922.38 = 19,365/x
  3. Step 3: Cross multiply
    68,624.52x = 102,922.38 × 19,365
  4. Step 4: Simplify right side
    68,624.52x = 1,993,091,888.70
  5. Step 5: Solve for x
    x = 1,993,091,888.70/68,624.52
  6. Step 6: Final answer
    x = 29,043.44

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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.