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Finding the Fourth Proportional to 74,975.70, 112,390.11 and 37,479.72

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Solution

The fourth proportional to 74,975.70, 112,390.11 and 37,479.72 is: 56,182.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,975.70 : 112,390.11 = 37,479.72 : x
  2. Step 2: Convert to fraction form
    74,975.70/112,390.11 = 37,479.72/x
  3. Step 3: Cross multiply
    74,975.70x = 112,390.11 × 37,479.72
  4. Step 4: Simplify right side
    74,975.70x = 4,212,349,853.57
  5. Step 5: Solve for x
    x = 4,212,349,853.57/74,975.70
  6. Step 6: Final answer
    x = 56,182.87

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