Finding the Fourth Proportional to 69,471.90, 104,206.93 and 16,881.23
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Solution
The fourth proportional to 69,471.90, 104,206.93 and 16,881.23 is: 25,321.62
Step by Step Solution
- Step 1: Write the proportion equation
69,471.90 : 104,206.93 = 16,881.23 : x - Step 2: Convert to fraction form
69,471.90/104,206.93 = 16,881.23/x - Step 3: Cross multiply
69,471.90x = 104,206.93 × 16,881.23 - Step 4: Simplify right side
69,471.90x = 1,759,141,371.24 - Step 5: Solve for x
x = 1,759,141,371.24/69,471.90 - Step 6: Final answer
x = 25,321.62
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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.