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Finding the Fourth Proportional to 76,670.80, 115,006.20 and 32,347.60

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Solution

The fourth proportional to 76,670.80, 115,006.20 and 32,347.60 is: 48,521.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,670.80 : 115,006.20 = 32,347.60 : x
  2. Step 2: Convert to fraction form
    76,670.80/115,006.20 = 32,347.60/x
  3. Step 3: Cross multiply
    76,670.80x = 115,006.20 × 32,347.60
  4. Step 4: Simplify right side
    76,670.80x = 3,720,174,555.12
  5. Step 5: Solve for x
    x = 3,720,174,555.12/76,670.80
  6. Step 6: Final answer
    x = 48,521.40

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