Home / 53,711.30-74,119.07-29,839.43

Finding the Fourth Proportional to 53,711.30, 74,119.07 and 29,839.43

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Solution

The fourth proportional to 53,711.30, 74,119.07 and 29,839.43 is: 41,177.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,711.30 : 74,119.07 = 29,839.43 : x
  2. Step 2: Convert to fraction form
    53,711.30/74,119.07 = 29,839.43/x
  3. Step 3: Cross multiply
    53,711.30x = 74,119.07 × 29,839.43
  4. Step 4: Simplify right side
    53,711.30x = 2,211,670,800.93
  5. Step 5: Solve for x
    x = 2,211,670,800.93/53,711.30
  6. Step 6: Final answer
    x = 41,177.01

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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.