Finding the Fourth Proportional to 85,753.68, 118,339.56 and 48,027.96
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Solution
The fourth proportional to 85,753.68, 118,339.56 and 48,027.96 is: 66,278.29
Step by Step Solution
- Step 1: Write the proportion equation
85,753.68 : 118,339.56 = 48,027.96 : x - Step 2: Convert to fraction form
85,753.68/118,339.56 = 48,027.96/x - Step 3: Cross multiply
85,753.68x = 118,339.56 × 48,027.96 - Step 4: Simplify right side
85,753.68x = 5,683,607,654.10 - Step 5: Solve for x
x = 5,683,607,654.10/85,753.68 - Step 6: Final answer
x = 66,278.29
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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.