Finding the Fourth Proportional to 69,238.34, 103,813.13 and 29,246.49
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Solution
The fourth proportional to 69,238.34, 103,813.13 and 29,246.49 is: 43,850.99
Step by Step Solution
- Step 1: Write the proportion equation
69,238.34 : 103,813.13 = 29,246.49 : x - Step 2: Convert to fraction form
69,238.34/103,813.13 = 29,246.49/x - Step 3: Cross multiply
69,238.34x = 103,813.13 × 29,246.49 - Step 4: Simplify right side
69,238.34x = 3,036,169,668.41 - Step 5: Solve for x
x = 3,036,169,668.41/69,238.34 - Step 6: Final answer
x = 43,850.99
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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.