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Finding the Fourth Proportional to 74,669.80, 112,004.70 and 47,021.80

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Solution

The fourth proportional to 74,669.80, 112,004.70 and 47,021.80 is: 70,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,669.80 : 112,004.70 = 47,021.80 : x
  2. Step 2: Convert to fraction form
    74,669.80/112,004.70 = 47,021.80/x
  3. Step 3: Cross multiply
    74,669.80x = 112,004.70 × 47,021.80
  4. Step 4: Simplify right side
    74,669.80x = 5,266,662,602.46
  5. Step 5: Solve for x
    x = 5,266,662,602.46/74,669.80
  6. Step 6: Final answer
    x = 70,532.70

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