Home / 53,137.53-73,328.90-29,266.43

Finding the Fourth Proportional to 53,137.53, 73,328.90 and 29,266.43

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Solution

The fourth proportional to 53,137.53, 73,328.90 and 29,266.43 is: 40,387.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,137.53 : 73,328.90 = 29,266.43 : x
  2. Step 2: Convert to fraction form
    53,137.53/73,328.90 = 29,266.43/x
  3. Step 3: Cross multiply
    53,137.53x = 73,328.90 × 29,266.43
  4. Step 4: Simplify right side
    53,137.53x = 2,146,074,605.85
  5. Step 5: Solve for x
    x = 2,146,074,605.85/53,137.53
  6. Step 6: Final answer
    x = 40,387.17

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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.