Home / 74,755.74-103,608.18-73,356.06

Finding the Fourth Proportional to 74,755.74, 103,608.18 and 73,356.06

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Solution

The fourth proportional to 74,755.74, 103,608.18 and 73,356.06 is: 101,668.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,755.74 : 103,608.18 = 73,356.06 : x
  2. Step 2: Convert to fraction form
    74,755.74/103,608.18 = 73,356.06/x
  3. Step 3: Cross multiply
    74,755.74x = 103,608.18 × 73,356.06
  4. Step 4: Simplify right side
    74,755.74x = 7,600,287,868.57
  5. Step 5: Solve for x
    x = 7,600,287,868.57/74,755.74
  6. Step 6: Final answer
    x = 101,668.28

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.