Home / 66,069.96-91,252.32-43,509.84

Finding the Fourth Proportional to 66,069.96, 91,252.32 and 43,509.84

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Solution

The fourth proportional to 66,069.96, 91,252.32 and 43,509.84 is: 60,093.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,069.96 : 91,252.32 = 43,509.84 : x
  2. Step 2: Convert to fraction form
    66,069.96/91,252.32 = 43,509.84/x
  3. Step 3: Cross multiply
    66,069.96x = 91,252.32 × 43,509.84
  4. Step 4: Simplify right side
    66,069.96x = 3,970,373,842.83
  5. Step 5: Solve for x
    x = 3,970,373,842.83/66,069.96
  6. Step 6: Final answer
    x = 60,093.48

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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.