Finding the Fourth Proportional to 77,844.60, 116,768.70 and 27,928.08
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Solution
The fourth proportional to 77,844.60, 116,768.70 and 27,928.08 is: 41,892.77
Step by Step Solution
- Step 1: Write the proportion equation
77,844.60 : 116,768.70 = 27,928.08 : x - Step 2: Convert to fraction form
77,844.60/116,768.70 = 27,928.08/x - Step 3: Cross multiply
77,844.60x = 116,768.70 × 27,928.08 - Step 4: Simplify right side
77,844.60x = 3,261,125,595.10 - Step 5: Solve for x
x = 3,261,125,595.10/77,844.60 - Step 6: Final answer
x = 41,892.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.