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Finding the Fourth Proportional to 93,519.81, 129,057.34 and 51,078.45

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Solution

The fourth proportional to 93,519.81, 129,057.34 and 51,078.45 is: 70,488.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,519.81 : 129,057.34 = 51,078.45 : x
  2. Step 2: Convert to fraction form
    93,519.81/129,057.34 = 51,078.45/x
  3. Step 3: Cross multiply
    93,519.81x = 129,057.34 × 51,078.45
  4. Step 4: Simplify right side
    93,519.81x = 6,592,048,888.32
  5. Step 5: Solve for x
    x = 6,592,048,888.32/93,519.81
  6. Step 6: Final answer
    x = 70,488.26

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