Home / 48,044.88-72,029.99-31,142.21

Finding the Fourth Proportional to 48,044.88, 72,029.99 and 31,142.21

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Solution

The fourth proportional to 48,044.88, 72,029.99 and 31,142.21 is: 46,689.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,044.88 : 72,029.99 = 31,142.21 : x
  2. Step 2: Convert to fraction form
    48,044.88/72,029.99 = 31,142.21/x
  3. Step 3: Cross multiply
    48,044.88x = 72,029.99 × 31,142.21
  4. Step 4: Simplify right side
    48,044.88x = 2,243,172,792.58
  5. Step 5: Solve for x
    x = 2,243,172,792.58/48,044.88
  6. Step 6: Final answer
    x = 46,689.11

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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.