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Finding the Fourth Proportional to 93,117.18, 128,504.43 and 50,678.46

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Solution

The fourth proportional to 93,117.18, 128,504.43 and 50,678.46 is: 69,937.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,117.18 : 128,504.43 = 50,678.46 : x
  2. Step 2: Convert to fraction form
    93,117.18/128,504.43 = 50,678.46/x
  3. Step 3: Cross multiply
    93,117.18x = 128,504.43 × 50,678.46
  4. Step 4: Simplify right side
    93,117.18x = 6,512,406,615.58
  5. Step 5: Solve for x
    x = 6,512,406,615.58/93,117.18
  6. Step 6: Final answer
    x = 69,937.76

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