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Finding the Fourth Proportional to 93,137.87, 128,533.10 and 65,962.64

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Solution

The fourth proportional to 93,137.87, 128,533.10 and 65,962.64 is: 91,030.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,137.87 : 128,533.10 = 65,962.64 : x
  2. Step 2: Convert to fraction form
    93,137.87/128,533.10 = 65,962.64/x
  3. Step 3: Cross multiply
    93,137.87x = 128,533.10 × 65,962.64
  4. Step 4: Simplify right side
    93,137.87x = 8,478,382,594.90
  5. Step 5: Solve for x
    x = 8,478,382,594.90/93,137.87
  6. Step 6: Final answer
    x = 91,030.45

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