Home / 53,418.84-73,721.52-29,545.80

Finding the Fourth Proportional to 53,418.84, 73,721.52 and 29,545.80

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Solution

The fourth proportional to 53,418.84, 73,721.52 and 29,545.80 is: 40,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,418.84 : 73,721.52 = 29,545.80 : x
  2. Step 2: Convert to fraction form
    53,418.84/73,721.52 = 29,545.80/x
  3. Step 3: Cross multiply
    53,418.84x = 73,721.52 × 29,545.80
  4. Step 4: Simplify right side
    53,418.84x = 2,178,161,285.62
  5. Step 5: Solve for x
    x = 2,178,161,285.62/53,418.84
  6. Step 6: Final answer
    x = 40,775.15

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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.