Finding the Fourth Proportional to 68,393.36, 102,557.10 and 32,339.78
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Solution
The fourth proportional to 68,393.36, 102,557.10 and 32,339.78 is: 48,494.09
Step by Step Solution
- Step 1: Write the proportion equation
68,393.36 : 102,557.10 = 32,339.78 : x - Step 2: Convert to fraction form
68,393.36/102,557.10 = 32,339.78/x - Step 3: Cross multiply
68,393.36x = 102,557.10 × 32,339.78 - Step 4: Simplify right side
68,393.36x = 3,316,674,051.44 - Step 5: Solve for x
x = 3,316,674,051.44/68,393.36 - Step 6: Final answer
x = 48,494.09
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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.