Finding the Fourth Proportional to 68,355.18, 102,467.16 and 21,576.06
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Solution
The fourth proportional to 68,355.18, 102,467.16 and 21,576.06 is: 32,343.38
Step by Step Solution
- Step 1: Write the proportion equation
68,355.18 : 102,467.16 = 21,576.06 : x - Step 2: Convert to fraction form
68,355.18/102,467.16 = 21,576.06/x - Step 3: Cross multiply
68,355.18x = 102,467.16 × 21,576.06 - Step 4: Simplify right side
68,355.18x = 2,210,837,592.19 - Step 5: Solve for x
x = 2,210,837,592.19/68,355.18 - Step 6: Final answer
x = 32,343.38
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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.