Home / 53,213.16-73,371.78-39,760.68

Finding the Fourth Proportional to 53,213.16, 73,371.78 and 39,760.68

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Solution

The fourth proportional to 53,213.16, 73,371.78 and 39,760.68 is: 54,823.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,213.16 : 73,371.78 = 39,760.68 : x
  2. Step 2: Convert to fraction form
    53,213.16/73,371.78 = 39,760.68/x
  3. Step 3: Cross multiply
    53,213.16x = 73,371.78 × 39,760.68
  4. Step 4: Simplify right side
    53,213.16x = 2,917,311,865.61
  5. Step 5: Solve for x
    x = 2,917,311,865.61/53,213.16
  6. Step 6: Final answer
    x = 54,823.13

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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.