Finding the Fourth Proportional to 68,484.08, 102,721.57 and 21,733.31
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Solution
The fourth proportional to 68,484.08, 102,721.57 and 21,733.31 is: 32,598.52
Step by Step Solution
- Step 1: Write the proportion equation
68,484.08 : 102,721.57 = 21,733.31 : x - Step 2: Convert to fraction form
68,484.08/102,721.57 = 21,733.31/x - Step 3: Cross multiply
68,484.08x = 102,721.57 × 21,733.31 - Step 4: Simplify right side
68,484.08x = 2,232,479,926.97 - Step 5: Solve for x
x = 2,232,479,926.97/68,484.08 - Step 6: Final answer
x = 32,598.52
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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.