Finding the Fourth Proportional to 94,531.08, 130,451.34 and 51,511.09
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Solution
The fourth proportional to 94,531.08, 130,451.34 and 51,511.09 is: 71,084.46
Step by Step Solution
- Step 1: Write the proportion equation
94,531.08 : 130,451.34 = 51,511.09 : x - Step 2: Convert to fraction form
94,531.08/130,451.34 = 51,511.09/x - Step 3: Cross multiply
94,531.08x = 130,451.34 × 51,511.09 - Step 4: Simplify right side
94,531.08x = 6,719,690,715.36 - Step 5: Solve for x
x = 6,719,690,715.36/94,531.08 - Step 6: Final answer
x = 71,084.46
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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.