Finding the Fourth Proportional to 84,602.08, 126,807.12 and 65,741.92
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Solution
The fourth proportional to 84,602.08, 126,807.12 and 65,741.92 is: 98,538.28
Step by Step Solution
- Step 1: Write the proportion equation
84,602.08 : 126,807.12 = 65,741.92 : x - Step 2: Convert to fraction form
84,602.08/126,807.12 = 65,741.92/x - Step 3: Cross multiply
84,602.08x = 126,807.12 × 65,741.92 - Step 4: Simplify right side
84,602.08x = 8,336,543,538.47 - Step 5: Solve for x
x = 8,336,543,538.47/84,602.08 - Step 6: Final answer
x = 98,538.28
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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.