Home / 74,460.11-102,755.39-40,468.86

Finding the Fourth Proportional to 74,460.11, 102,755.39 and 40,468.86

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Solution

The fourth proportional to 74,460.11, 102,755.39 and 40,468.86 is: 55,847.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,460.11 : 102,755.39 = 40,468.86 : x
  2. Step 2: Convert to fraction form
    74,460.11/102,755.39 = 40,468.86/x
  3. Step 3: Cross multiply
    74,460.11x = 102,755.39 × 40,468.86
  4. Step 4: Simplify right side
    74,460.11x = 4,158,393,289.81
  5. Step 5: Solve for x
    x = 4,158,393,289.81/74,460.11
  6. Step 6: Final answer
    x = 55,847.27

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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.