Finding the Fourth Proportional to 118,762.08, 163,891.74 and 65,047.08
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Solution
The fourth proportional to 118,762.08, 163,891.74 and 65,047.08 is: 89,765.01
Step by Step Solution
- Step 1: Write the proportion equation
118,762.08 : 163,891.74 = 65,047.08 : x - Step 2: Convert to fraction form
118,762.08/163,891.74 = 65,047.08/x - Step 3: Cross multiply
118,762.08x = 163,891.74 × 65,047.08 - Step 4: Simplify right side
118,762.08x = 10,660,679,123.12 - Step 5: Solve for x
x = 10,660,679,123.12/118,762.08 - Step 6: Final answer
x = 89,765.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.