Home / 89,357.21-133,996.45-41,985.78

Finding the Fourth Proportional to 89,357.21, 133,996.45 and 41,985.78

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Solution

The fourth proportional to 89,357.21, 133,996.45 and 41,985.78 is: 62,960.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,357.21 : 133,996.45 = 41,985.78 : x
  2. Step 2: Convert to fraction form
    89,357.21/133,996.45 = 41,985.78/x
  3. Step 3: Cross multiply
    89,357.21x = 133,996.45 × 41,985.78
  4. Step 4: Simplify right side
    89,357.21x = 5,625,945,059.84
  5. Step 5: Solve for x
    x = 5,625,945,059.84/89,357.21
  6. Step 6: Final answer
    x = 62,960.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.