Finding the Fourth Proportional to 94,409.40, 130,269.73 and 54,115.75
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Solution
The fourth proportional to 94,409.40, 130,269.73 and 54,115.75 is: 74,671.00
Step by Step Solution
- Step 1: Write the proportion equation
94,409.40 : 130,269.73 = 54,115.75 : x - Step 2: Convert to fraction form
94,409.40/130,269.73 = 54,115.75/x - Step 3: Cross multiply
94,409.40x = 130,269.73 × 54,115.75 - Step 4: Simplify right side
94,409.40x = 7,049,644,141.25 - Step 5: Solve for x
x = 7,049,644,141.25/94,409.40 - Step 6: Final answer
x = 74,671.00
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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.