Home / 66,309.06-91,507.68-36,095.25

Finding the Fourth Proportional to 66,309.06, 91,507.68 and 36,095.25

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Solution

The fourth proportional to 66,309.06, 91,507.68 and 36,095.25 is: 49,812.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,309.06 : 91,507.68 = 36,095.25 : x
  2. Step 2: Convert to fraction form
    66,309.06/91,507.68 = 36,095.25/x
  3. Step 3: Cross multiply
    66,309.06x = 91,507.68 × 36,095.25
  4. Step 4: Simplify right side
    66,309.06x = 3,302,992,794.32
  5. Step 5: Solve for x
    x = 3,302,992,794.32/66,309.06
  6. Step 6: Final answer
    x = 49,812.09

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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.