Home / 74,460.11-102,755.43-40,468.67

Finding the Fourth Proportional to 74,460.11, 102,755.43 and 40,468.67

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Solution

The fourth proportional to 74,460.11, 102,755.43 and 40,468.67 is: 55,847.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,460.11 : 102,755.43 = 40,468.67 : x
  2. Step 2: Convert to fraction form
    74,460.11/102,755.43 = 40,468.67/x
  3. Step 3: Cross multiply
    74,460.11x = 102,755.43 × 40,468.67
  4. Step 4: Simplify right side
    74,460.11x = 4,158,375,073.60
  5. Step 5: Solve for x
    x = 4,158,375,073.60/74,460.11
  6. Step 6: Final answer
    x = 55,847.02

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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.