Finding the Fourth Proportional to 68,038.08, 102,062.27 and 18,117.97
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Solution
The fourth proportional to 68,038.08, 102,062.27 and 18,117.97 is: 27,178.33
Step by Step Solution
- Step 1: Write the proportion equation
68,038.08 : 102,062.27 = 18,117.97 : x - Step 2: Convert to fraction form
68,038.08/102,062.27 = 18,117.97/x - Step 3: Cross multiply
68,038.08x = 102,062.27 × 18,117.97 - Step 4: Simplify right side
68,038.08x = 1,849,161,145.99 - Step 5: Solve for x
x = 1,849,161,145.99/68,038.08 - Step 6: Final answer
x = 27,178.33
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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.