Home / 53,129.43-73,314.18-29,257.38

Finding the Fourth Proportional to 53,129.43, 73,314.18 and 29,257.38

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Solution

The fourth proportional to 53,129.43, 73,314.18 and 29,257.38 is: 40,372.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,129.43 : 73,314.18 = 29,257.38 : x
  2. Step 2: Convert to fraction form
    53,129.43/73,314.18 = 29,257.38/x
  3. Step 3: Cross multiply
    53,129.43x = 73,314.18 × 29,257.38
  4. Step 4: Simplify right side
    53,129.43x = 2,144,980,823.65
  5. Step 5: Solve for x
    x = 2,144,980,823.65/53,129.43
  6. Step 6: Final answer
    x = 40,372.74

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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.