Finding the Fourth Proportional to 86,606.96, 119,511.96 and 48,876.08
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Solution
The fourth proportional to 86,606.96, 119,511.96 and 48,876.08 is: 67,445.80
Step by Step Solution
- Step 1: Write the proportion equation
86,606.96 : 119,511.96 = 48,876.08 : x - Step 2: Convert to fraction form
86,606.96/119,511.96 = 48,876.08/x - Step 3: Cross multiply
86,606.96x = 119,511.96 × 48,876.08 - Step 4: Simplify right side
86,606.96x = 5,841,276,117.92 - Step 5: Solve for x
x = 5,841,276,117.92/86,606.96 - Step 6: Final answer
x = 67,445.80
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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.