Finding the Fourth Proportional to 68,623.51, 102,924.67 and 18,707.63
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Solution
The fourth proportional to 68,623.51, 102,924.67 and 18,707.63 is: 28,058.56
Step by Step Solution
- Step 1: Write the proportion equation
68,623.51 : 102,924.67 = 18,707.63 : x - Step 2: Convert to fraction form
68,623.51/102,924.67 = 18,707.63/x - Step 3: Cross multiply
68,623.51x = 102,924.67 × 18,707.63 - Step 4: Simplify right side
68,623.51x = 1,925,476,644.23 - Step 5: Solve for x
x = 1,925,476,644.23/68,623.51 - Step 6: Final answer
x = 28,058.56
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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.