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Finding the Fourth Proportional to 76,483.96, 105,536.46 and 42,943.48

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Solution

The fourth proportional to 76,483.96, 105,536.46 and 42,943.48 is: 59,255.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,483.96 : 105,536.46 = 42,943.48 : x
  2. Step 2: Convert to fraction form
    76,483.96/105,536.46 = 42,943.48/x
  3. Step 3: Cross multiply
    76,483.96x = 105,536.46 × 42,943.48
  4. Step 4: Simplify right side
    76,483.96x = 4,532,102,859.28
  5. Step 5: Solve for x
    x = 4,532,102,859.28/76,483.96
  6. Step 6: Final answer
    x = 59,255.60

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