Home / 52,274.41-78,419.82-31,238.21

Finding the Fourth Proportional to 52,274.41, 78,419.82 and 31,238.21

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Solution

The fourth proportional to 52,274.41, 78,419.82 and 31,238.21 is: 46,862.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,274.41 : 78,419.82 = 31,238.21 : x
  2. Step 2: Convert to fraction form
    52,274.41/78,419.82 = 31,238.21/x
  3. Step 3: Cross multiply
    52,274.41x = 78,419.82 × 31,238.21
  4. Step 4: Simplify right side
    52,274.41x = 2,449,694,805.32
  5. Step 5: Solve for x
    x = 2,449,694,805.32/52,274.41
  6. Step 6: Final answer
    x = 46,862.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.