Home / 85,054.23-117,395.67-65,896.11

Finding the Fourth Proportional to 85,054.23, 117,395.67 and 65,896.11

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Solution

The fourth proportional to 85,054.23, 117,395.67 and 65,896.11 is: 90,952.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,054.23 : 117,395.67 = 65,896.11 : x
  2. Step 2: Convert to fraction form
    85,054.23/117,395.67 = 65,896.11/x
  3. Step 3: Cross multiply
    85,054.23x = 117,395.67 × 65,896.11
  4. Step 4: Simplify right side
    85,054.23x = 7,735,917,983.84
  5. Step 5: Solve for x
    x = 7,735,917,983.84/85,054.23
  6. Step 6: Final answer
    x = 90,952.77

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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.