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Finding the Fourth Proportional to 93,462.92, 128,977.16 and 53,175.81

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Solution

The fourth proportional to 93,462.92, 128,977.16 and 53,175.81 is: 73,381.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,462.92 : 128,977.16 = 53,175.81 : x
  2. Step 2: Convert to fraction form
    93,462.92/128,977.16 = 53,175.81/x
  3. Step 3: Cross multiply
    93,462.92x = 128,977.16 × 53,175.81
  4. Step 4: Simplify right side
    93,462.92x = 6,858,465,172.28
  5. Step 5: Solve for x
    x = 6,858,465,172.28/93,462.92
  6. Step 6: Final answer
    x = 73,381.67

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