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Finding the Fourth Proportional to 75,688.90, 113,314.65 and 73,501.90

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Solution

The fourth proportional to 75,688.90, 113,314.65 and 73,501.90 is: 110,040.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,688.90 : 113,314.65 = 73,501.90 : x
  2. Step 2: Convert to fraction form
    75,688.90/113,314.65 = 73,501.90/x
  3. Step 3: Cross multiply
    75,688.90x = 113,314.65 × 73,501.90
  4. Step 4: Simplify right side
    75,688.90x = 8,328,842,072.84
  5. Step 5: Solve for x
    x = 8,328,842,072.84/75,688.90
  6. Step 6: Final answer
    x = 110,040.47

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