Home / 74,020.36-102,157.98-41,761.60

Finding the Fourth Proportional to 74,020.36, 102,157.98 and 41,761.60

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Solution

The fourth proportional to 74,020.36, 102,157.98 and 41,761.60 is: 57,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,020.36 : 102,157.98 = 41,761.60 : x
  2. Step 2: Convert to fraction form
    74,020.36/102,157.98 = 41,761.60/x
  3. Step 3: Cross multiply
    74,020.36x = 102,157.98 × 41,761.60
  4. Step 4: Simplify right side
    74,020.36x = 4,266,280,697.57
  5. Step 5: Solve for x
    x = 4,266,280,697.57/74,020.36
  6. Step 6: Final answer
    x = 57,636.58

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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.