Finding the Fourth Proportional to 85,797.93, 118,400.81 and 48,072.09
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Solution
The fourth proportional to 85,797.93, 118,400.81 and 48,072.09 is: 66,339.29
Step by Step Solution
- Step 1: Write the proportion equation
85,797.93 : 118,400.81 = 48,072.09 : x - Step 2: Convert to fraction form
85,797.93/118,400.81 = 48,072.09/x - Step 3: Cross multiply
85,797.93x = 118,400.81 × 48,072.09 - Step 4: Simplify right side
85,797.93x = 5,691,774,154.03 - Step 5: Solve for x
x = 5,691,774,154.03/85,797.93 - Step 6: Final answer
x = 66,339.29
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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.