Finding the Fourth Proportional to 81,516.66, 122,094.36 and 62,657.84
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Solution
The fourth proportional to 81,516.66, 122,094.36 and 62,657.84 is: 93,847.91
Step by Step Solution
- Step 1: Write the proportion equation
81,516.66 : 122,094.36 = 62,657.84 : x - Step 2: Convert to fraction form
81,516.66/122,094.36 = 62,657.84/x - Step 3: Cross multiply
81,516.66x = 122,094.36 × 62,657.84 - Step 4: Simplify right side
81,516.66x = 7,650,168,263.31 - Step 5: Solve for x
x = 7,650,168,263.31/81,516.66 - Step 6: Final answer
x = 93,847.91
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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.