Home / 61,345.73-92,018.61-19,229.09

Finding the Fourth Proportional to 61,345.73, 92,018.61 and 19,229.09

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Solution

The fourth proportional to 61,345.73, 92,018.61 and 19,229.09 is: 28,843.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,345.73 : 92,018.61 = 19,229.09 : x
  2. Step 2: Convert to fraction form
    61,345.73/92,018.61 = 19,229.09/x
  3. Step 3: Cross multiply
    61,345.73x = 92,018.61 × 19,229.09
  4. Step 4: Simplify right side
    61,345.73x = 1,769,433,673.27
  5. Step 5: Solve for x
    x = 1,769,433,673.27/61,345.73
  6. Step 6: Final answer
    x = 28,843.63

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1.5x scale

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.