Home / 74,197.56-102,397.64-41,920.98

Finding the Fourth Proportional to 74,197.56, 102,397.64 and 41,920.98

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Solution

The fourth proportional to 74,197.56, 102,397.64 and 41,920.98 is: 57,853.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,197.56 : 102,397.64 = 41,920.98 : x
  2. Step 2: Convert to fraction form
    74,197.56/102,397.64 = 41,920.98/x
  3. Step 3: Cross multiply
    74,197.56x = 102,397.64 × 41,920.98
  4. Step 4: Simplify right side
    74,197.56x = 4,292,608,696.89
  5. Step 5: Solve for x
    x = 4,292,608,696.89/74,197.56
  6. Step 6: Final answer
    x = 57,853.78

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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.