Finding the Fourth Proportional to 86,125.44, 118,862.96 and 47,888.80
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Solution
The fourth proportional to 86,125.44, 118,862.96 and 47,888.80 is: 66,092.02
Step by Step Solution
- Step 1: Write the proportion equation
86,125.44 : 118,862.96 = 47,888.80 : x - Step 2: Convert to fraction form
86,125.44/118,862.96 = 47,888.80/x - Step 3: Cross multiply
86,125.44x = 118,862.96 × 47,888.80 - Step 4: Simplify right side
86,125.44x = 5,692,204,518.85 - Step 5: Solve for x
x = 5,692,204,518.85/86,125.44 - Step 6: Final answer
x = 66,092.02
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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.