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Finding the Fourth Proportional to 93,221.47, 128,647.62 and 50,779.91

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Solution

The fourth proportional to 93,221.47, 128,647.62 and 50,779.91 is: 70,077.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,221.47 : 128,647.62 = 50,779.91 : x
  2. Step 2: Convert to fraction form
    93,221.47/128,647.62 = 50,779.91/x
  3. Step 3: Cross multiply
    93,221.47x = 128,647.62 × 50,779.91
  4. Step 4: Simplify right side
    93,221.47x = 6,532,714,565.31
  5. Step 5: Solve for x
    x = 6,532,714,565.31/93,221.47
  6. Step 6: Final answer
    x = 70,077.36

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