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Finding the Fourth Proportional to 93,645.58, 129,220.32 and 55,406.29

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Solution

The fourth proportional to 93,645.58, 129,220.32 and 55,406.29 is: 76,454.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,645.58 : 129,220.32 = 55,406.29 : x
  2. Step 2: Convert to fraction form
    93,645.58/129,220.32 = 55,406.29/x
  3. Step 3: Cross multiply
    93,645.58x = 129,220.32 × 55,406.29
  4. Step 4: Simplify right side
    93,645.58x = 7,159,618,523.81
  5. Step 5: Solve for x
    x = 7,159,618,523.81/93,645.58
  6. Step 6: Final answer
    x = 76,454.42

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