Home / 74,190.60-102,418.49-42,353.35

Finding the Fourth Proportional to 74,190.60, 102,418.49 and 42,353.35

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Solution

The fourth proportional to 74,190.60, 102,418.49 and 42,353.35 is: 58,467.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,190.60 : 102,418.49 = 42,353.35 : x
  2. Step 2: Convert to fraction form
    74,190.60/102,418.49 = 42,353.35/x
  3. Step 3: Cross multiply
    74,190.60x = 102,418.49 × 42,353.35
  4. Step 4: Simplify right side
    74,190.60x = 4,337,766,003.28
  5. Step 5: Solve for x
    x = 4,337,766,003.28/74,190.60
  6. Step 6: Final answer
    x = 58,467.87

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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.