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Finding the Fourth Proportional to 93,350.72, 128,931.57 and 67,970.58

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Solution

The fourth proportional to 93,350.72, 128,931.57 and 67,970.58 is: 93,877.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,350.72 : 128,931.57 = 67,970.58 : x
  2. Step 2: Convert to fraction form
    93,350.72/128,931.57 = 67,970.58/x
  3. Step 3: Cross multiply
    93,350.72x = 128,931.57 × 67,970.58
  4. Step 4: Simplify right side
    93,350.72x = 8,763,553,593.21
  5. Step 5: Solve for x
    x = 8,763,553,593.21/93,350.72
  6. Step 6: Final answer
    x = 93,877.73

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