Home / 54,702.42-82,084.76-43,679.16

Finding the Fourth Proportional to 54,702.42, 82,084.76 and 43,679.16

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Solution

The fourth proportional to 54,702.42, 82,084.76 and 43,679.16 is: 65,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,702.42 : 82,084.76 = 43,679.16 : x
  2. Step 2: Convert to fraction form
    54,702.42/82,084.76 = 43,679.16/x
  3. Step 3: Cross multiply
    54,702.42x = 82,084.76 × 43,679.16
  4. Step 4: Simplify right side
    54,702.42x = 3,585,393,365.60
  5. Step 5: Solve for x
    x = 3,585,393,365.60/54,702.42
  6. Step 6: Final answer
    x = 65,543.60

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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.