Finding the Fourth Proportional to 85,076.49, 117,412.35 and 49,267.14
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Solution
The fourth proportional to 85,076.49, 117,412.35 and 49,267.14 is: 67,992.59
Step by Step Solution
- Step 1: Write the proportion equation
85,076.49 : 117,412.35 = 49,267.14 : x - Step 2: Convert to fraction form
85,076.49/117,412.35 = 49,267.14/x - Step 3: Cross multiply
85,076.49x = 117,412.35 × 49,267.14 - Step 4: Simplify right side
85,076.49x = 5,784,570,685.18 - Step 5: Solve for x
x = 5,784,570,685.18/85,076.49 - Step 6: Final answer
x = 67,992.59
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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.