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Finding the Fourth Proportional to 74,979.90, 103,475.39 and 43,148.88

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Solution

The fourth proportional to 74,979.90, 103,475.39 and 43,148.88 is: 59,547.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,979.90 : 103,475.39 = 43,148.88 : x
  2. Step 2: Convert to fraction form
    74,979.90/103,475.39 = 43,148.88/x
  3. Step 3: Cross multiply
    74,979.90x = 103,475.39 × 43,148.88
  4. Step 4: Simplify right side
    74,979.90x = 4,464,846,970.32
  5. Step 5: Solve for x
    x = 4,464,846,970.32/74,979.90
  6. Step 6: Final answer
    x = 59,547.25

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