Finding the Fourth Proportional to 68,011.93, 102,017.77 and 18,092.08
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Solution
The fourth proportional to 68,011.93, 102,017.77 and 18,092.08 is: 27,138.09
Step by Step Solution
- Step 1: Write the proportion equation
68,011.93 : 102,017.77 = 18,092.08 : x - Step 2: Convert to fraction form
68,011.93/102,017.77 = 18,092.08/x - Step 3: Cross multiply
68,011.93x = 102,017.77 × 18,092.08 - Step 4: Simplify right side
68,011.93x = 1,845,713,656.26 - Step 5: Solve for x
x = 1,845,713,656.26/68,011.93 - Step 6: Final answer
x = 27,138.09
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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.