Home / 74,592.48-102,936-40,600.20

Finding the Fourth Proportional to 74,592.48, 102,936 and 40,600.20

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Solution

The fourth proportional to 74,592.48, 102,936 and 40,600.20 is: 56,027.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,592.48 : 102,936 = 40,600.20 : x
  2. Step 2: Convert to fraction form
    74,592.48/102,936 = 40,600.20/x
  3. Step 3: Cross multiply
    74,592.48x = 102,936 × 40,600.20
  4. Step 4: Simplify right side
    74,592.48x = 4,179,222,187.20
  5. Step 5: Solve for x
    x = 4,179,222,187.20/74,592.48
  6. Step 6: Final answer
    x = 56,027.39

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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.