Home / 74,702.27-111,971.88-36,777.65

Finding the Fourth Proportional to 74,702.27, 111,971.88 and 36,777.65

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Solution

The fourth proportional to 74,702.27, 111,971.88 and 36,777.65 is: 55,126.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,702.27 : 111,971.88 = 36,777.65 : x
  2. Step 2: Convert to fraction form
    74,702.27/111,971.88 = 36,777.65/x
  3. Step 3: Cross multiply
    74,702.27x = 111,971.88 × 36,777.65
  4. Step 4: Simplify right side
    74,702.27x = 4,118,062,052.62
  5. Step 5: Solve for x
    x = 4,118,062,052.62/74,702.27
  6. Step 6: Final answer
    x = 55,126.33

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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.