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Finding the Fourth Proportional to 65,461.01, 90,340.06 and 49,299.81

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Solution

The fourth proportional to 65,461.01, 90,340.06 and 49,299.81 is: 68,036.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,461.01 : 90,340.06 = 49,299.81 : x
  2. Step 2: Convert to fraction form
    65,461.01/90,340.06 = 49,299.81/x
  3. Step 3: Cross multiply
    65,461.01x = 90,340.06 × 49,299.81
  4. Step 4: Simplify right side
    65,461.01x = 4,453,747,393.45
  5. Step 5: Solve for x
    x = 4,453,747,393.45/65,461.01
  6. Step 6: Final answer
    x = 68,036.64

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