Home / 53,143.53-73,337.16-29,272.41

Finding the Fourth Proportional to 53,143.53, 73,337.16 and 29,272.41

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Solution

The fourth proportional to 53,143.53, 73,337.16 and 29,272.41 is: 40,395.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,143.53 : 73,337.16 = 29,272.41 : x
  2. Step 2: Convert to fraction form
    53,143.53/73,337.16 = 29,272.41/x
  3. Step 3: Cross multiply
    53,143.53x = 73,337.16 × 29,272.41
  4. Step 4: Simplify right side
    53,143.53x = 2,146,755,415.76
  5. Step 5: Solve for x
    x = 2,146,755,415.76/53,143.53
  6. Step 6: Final answer
    x = 40,395.42

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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.