Finding the Fourth Proportional to 86,048.19, 118,680.80 and 62,253.63
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Solution
The fourth proportional to 86,048.19, 118,680.80 and 62,253.63 is: 85,862.47
Step by Step Solution
- Step 1: Write the proportion equation
86,048.19 : 118,680.80 = 62,253.63 : x - Step 2: Convert to fraction form
86,048.19/118,680.80 = 62,253.63/x - Step 3: Cross multiply
86,048.19x = 118,680.80 × 62,253.63 - Step 4: Simplify right side
86,048.19x = 7,388,310,300.04 - Step 5: Solve for x
x = 7,388,310,300.04/86,048.19 - Step 6: Final answer
x = 85,862.47
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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.