Finding the Fourth Proportional to 97,012.68, 133,876.14 and 54,571.26
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Solution
The fourth proportional to 97,012.68, 133,876.14 and 54,571.26 is: 75,307.57
Step by Step Solution
- Step 1: Write the proportion equation
97,012.68 : 133,876.14 = 54,571.26 : x - Step 2: Convert to fraction form
97,012.68/133,876.14 = 54,571.26/x - Step 3: Cross multiply
97,012.68x = 133,876.14 × 54,571.26 - Step 4: Simplify right side
97,012.68x = 7,305,789,643.74 - Step 5: Solve for x
x = 7,305,789,643.74/97,012.68 - Step 6: Final answer
x = 75,307.57
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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.