Home / 74,102.37-102,261.41-40,110.90

Finding the Fourth Proportional to 74,102.37, 102,261.41 and 40,110.90

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Solution

The fourth proportional to 74,102.37, 102,261.41 and 40,110.90 is: 55,353.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,102.37 : 102,261.41 = 40,110.90 : x
  2. Step 2: Convert to fraction form
    74,102.37/102,261.41 = 40,110.90/x
  3. Step 3: Cross multiply
    74,102.37x = 102,261.41 × 40,110.90
  4. Step 4: Simplify right side
    74,102.37x = 4,101,797,190.37
  5. Step 5: Solve for x
    x = 4,101,797,190.37/74,102.37
  6. Step 6: Final answer
    x = 55,353.12

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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.