Home / 47,794.02-71,678.72-19,722.05

Finding the Fourth Proportional to 47,794.02, 71,678.72 and 19,722.05

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Solution

The fourth proportional to 47,794.02, 71,678.72 and 19,722.05 is: 29,578.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,794.02 : 71,678.72 = 19,722.05 : x
  2. Step 2: Convert to fraction form
    47,794.02/71,678.72 = 19,722.05/x
  3. Step 3: Cross multiply
    47,794.02x = 71,678.72 × 19,722.05
  4. Step 4: Simplify right side
    47,794.02x = 1,413,651,299.78
  5. Step 5: Solve for x
    x = 1,413,651,299.78/47,794.02
  6. Step 6: Final answer
    x = 29,578.00

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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.