Finding the Fourth Proportional to 84,853.30, 127,107.15 and 43,323.70
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Solution
The fourth proportional to 84,853.30, 127,107.15 and 43,323.70 is: 64,897.32
Step by Step Solution
- Step 1: Write the proportion equation
84,853.30 : 127,107.15 = 43,323.70 : x - Step 2: Convert to fraction form
84,853.30/127,107.15 = 43,323.70/x - Step 3: Cross multiply
84,853.30x = 127,107.15 × 43,323.70 - Step 4: Simplify right side
84,853.30x = 5,506,752,034.46 - Step 5: Solve for x
x = 5,506,752,034.46/84,853.30 - Step 6: Final answer
x = 64,897.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.