Home / 66,082.08-91,192.64-35,867.36

Finding the Fourth Proportional to 66,082.08, 91,192.64 and 35,867.36

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Solution

The fourth proportional to 66,082.08, 91,192.64 and 35,867.36 is: 49,496.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,082.08 : 91,192.64 = 35,867.36 : x
  2. Step 2: Convert to fraction form
    66,082.08/91,192.64 = 35,867.36/x
  3. Step 3: Cross multiply
    66,082.08x = 91,192.64 × 35,867.36
  4. Step 4: Simplify right side
    66,082.08x = 3,270,839,248.23
  5. Step 5: Solve for x
    x = 3,270,839,248.23/66,082.08
  6. Step 6: Final answer
    x = 49,496.61

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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.