Home / 71,072.36-98,069.36-40,858.96

Finding the Fourth Proportional to 71,072.36, 98,069.36 and 40,858.96

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Solution

The fourth proportional to 71,072.36, 98,069.36 and 40,858.96 is: 56,379.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,072.36 : 98,069.36 = 40,858.96 : x
  2. Step 2: Convert to fraction form
    71,072.36/98,069.36 = 40,858.96/x
  3. Step 3: Cross multiply
    71,072.36x = 98,069.36 × 40,858.96
  4. Step 4: Simplify right side
    71,072.36x = 4,007,012,057.47
  5. Step 5: Solve for x
    x = 4,007,012,057.47/71,072.36
  6. Step 6: Final answer
    x = 56,379.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.