Home / 53,685.35-74,084.31-29,811.41

Finding the Fourth Proportional to 53,685.35, 74,084.31 and 29,811.41

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Solution

The fourth proportional to 53,685.35, 74,084.31 and 29,811.41 is: 41,138.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,685.35 : 74,084.31 = 29,811.41 : x
  2. Step 2: Convert to fraction form
    53,685.35/74,084.31 = 29,811.41/x
  3. Step 3: Cross multiply
    53,685.35x = 74,084.31 × 29,811.41
  4. Step 4: Simplify right side
    53,685.35x = 2,208,557,369.56
  5. Step 5: Solve for x
    x = 2,208,557,369.56/53,685.35
  6. Step 6: Final answer
    x = 41,138.92

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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.