Finding the Fourth Proportional to 85,988.56, 118,675.46 and 48,262.81
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Solution
The fourth proportional to 85,988.56, 118,675.46 and 48,262.81 is: 66,608.99
Step by Step Solution
- Step 1: Write the proportion equation
85,988.56 : 118,675.46 = 48,262.81 : x - Step 2: Convert to fraction form
85,988.56/118,675.46 = 48,262.81/x - Step 3: Cross multiply
85,988.56x = 118,675.46 × 48,262.81 - Step 4: Simplify right side
85,988.56x = 5,727,611,177.64 - Step 5: Solve for x
x = 5,727,611,177.64/85,988.56 - Step 6: Final answer
x = 66,608.99
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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.