Home / 64,504.32-96,755.48-45,450.18

Finding the Fourth Proportional to 64,504.32, 96,755.48 and 45,450.18

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Solution

The fourth proportional to 64,504.32, 96,755.48 and 45,450.18 is: 68,174.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,504.32 : 96,755.48 = 45,450.18 : x
  2. Step 2: Convert to fraction form
    64,504.32/96,755.48 = 45,450.18/x
  3. Step 3: Cross multiply
    64,504.32x = 96,755.48 × 45,450.18
  4. Step 4: Simplify right side
    64,504.32x = 4,397,553,981.99
  5. Step 5: Solve for x
    x = 4,397,553,981.99/64,504.32
  6. Step 6: Final answer
    x = 68,174.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.