Home / 54,186.69-74,611.49-47,434.53

Finding the Fourth Proportional to 54,186.69, 74,611.49 and 47,434.53

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Solution

The fourth proportional to 54,186.69, 74,611.49 and 47,434.53 is: 65,314.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,186.69 : 74,611.49 = 47,434.53 : x
  2. Step 2: Convert to fraction form
    54,186.69/74,611.49 = 47,434.53/x
  3. Step 3: Cross multiply
    54,186.69x = 74,611.49 × 47,434.53
  4. Step 4: Simplify right side
    54,186.69x = 3,539,160,723.58
  5. Step 5: Solve for x
    x = 3,539,160,723.58/54,186.69
  6. Step 6: Final answer
    x = 65,314.21

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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.