Home / 72,371.78-99,907.26-48,514.04

Finding the Fourth Proportional to 72,371.78, 99,907.26 and 48,514.04

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Solution

The fourth proportional to 72,371.78, 99,907.26 and 48,514.04 is: 66,972.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,371.78 : 99,907.26 = 48,514.04 : x
  2. Step 2: Convert to fraction form
    72,371.78/99,907.26 = 48,514.04/x
  3. Step 3: Cross multiply
    72,371.78x = 99,907.26 × 48,514.04
  4. Step 4: Simplify right side
    72,371.78x = 4,846,904,807.93
  5. Step 5: Solve for x
    x = 4,846,904,807.93/72,371.78
  6. Step 6: Final answer
    x = 66,972.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.