Finding the Fourth Proportional to 96,611.78, 133,296.99 and 62,621.69
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Solution
The fourth proportional to 96,611.78, 133,296.99 and 62,621.69 is: 86,400.26
Step by Step Solution
- Step 1: Write the proportion equation
96,611.78 : 133,296.99 = 62,621.69 : x - Step 2: Convert to fraction form
96,611.78/133,296.99 = 62,621.69/x - Step 3: Cross multiply
96,611.78x = 133,296.99 × 62,621.69 - Step 4: Simplify right side
96,611.78x = 8,347,282,119.23 - Step 5: Solve for x
x = 8,347,282,119.23/96,611.78 - Step 6: Final answer
x = 86,400.26
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1.5x scale
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.