Home / 64,940.77-97,522.32-40,128.04

Finding the Fourth Proportional to 64,940.77, 97,522.32 and 40,128.04

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Solution

The fourth proportional to 64,940.77, 97,522.32 and 40,128.04 is: 60,260.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,940.77 : 97,522.32 = 40,128.04 : x
  2. Step 2: Convert to fraction form
    64,940.77/97,522.32 = 40,128.04/x
  3. Step 3: Cross multiply
    64,940.77x = 97,522.32 × 40,128.04
  4. Step 4: Simplify right side
    64,940.77x = 3,913,379,557.85
  5. Step 5: Solve for x
    x = 3,913,379,557.85/64,940.77
  6. Step 6: Final answer
    x = 60,260.75

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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.