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Finding the Fourth Proportional to 93,458.59, 128,972.80 and 51,017.11

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Solution

The fourth proportional to 93,458.59, 128,972.80 and 51,017.11 is: 70,403.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,458.59 : 128,972.80 = 51,017.11 : x
  2. Step 2: Convert to fraction form
    93,458.59/128,972.80 = 51,017.11/x
  3. Step 3: Cross multiply
    93,458.59x = 128,972.80 × 51,017.11
  4. Step 4: Simplify right side
    93,458.59x = 6,579,819,524.61
  5. Step 5: Solve for x
    x = 6,579,819,524.61/93,458.59
  6. Step 6: Final answer
    x = 70,403.58

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