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Finding the Fourth Proportional to 89,235.76, 133,675.16 and 53,677.46

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Solution

The fourth proportional to 89,235.76, 133,675.16 and 53,677.46 is: 80,408.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,235.76 : 133,675.16 = 53,677.46 : x
  2. Step 2: Convert to fraction form
    89,235.76/133,675.16 = 53,677.46/x
  3. Step 3: Cross multiply
    89,235.76x = 133,675.16 × 53,677.46
  4. Step 4: Simplify right side
    89,235.76x = 7,175,343,053.89
  5. Step 5: Solve for x
    x = 7,175,343,053.89/89,235.76
  6. Step 6: Final answer
    x = 80,408.83

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