Home / 74,453.76-102,743.37-42,625.62

Finding the Fourth Proportional to 74,453.76, 102,743.37 and 42,625.62

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Solution

The fourth proportional to 74,453.76, 102,743.37 and 42,625.62 is: 58,821.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,453.76 : 102,743.37 = 42,625.62 : x
  2. Step 2: Convert to fraction form
    74,453.76/102,743.37 = 42,625.62/x
  3. Step 3: Cross multiply
    74,453.76x = 102,743.37 × 42,625.62
  4. Step 4: Simplify right side
    74,453.76x = 4,379,499,847.14
  5. Step 5: Solve for x
    x = 4,379,499,847.14/74,453.76
  6. Step 6: Final answer
    x = 58,821.74

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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.