Finding the Fourth Proportional to 89,252.08, 123,296.04 and 71,323.60
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Solution
The fourth proportional to 89,252.08, 123,296.04 and 71,323.60 is: 98,528.99
Step by Step Solution
- Step 1: Write the proportion equation
89,252.08 : 123,296.04 = 71,323.60 : x - Step 2: Convert to fraction form
89,252.08/123,296.04 = 71,323.60/x - Step 3: Cross multiply
89,252.08x = 123,296.04 × 71,323.60 - Step 4: Simplify right side
89,252.08x = 8,793,917,438.54 - Step 5: Solve for x
x = 8,793,917,438.54/89,252.08 - Step 6: Final answer
x = 98,528.99
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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.