Finding the Fourth Proportional to 85,134.24, 127,597.68 and 49,528.80
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Solution
The fourth proportional to 85,134.24, 127,597.68 and 49,528.80 is: 74,232.88
Step by Step Solution
- Step 1: Write the proportion equation
85,134.24 : 127,597.68 = 49,528.80 : x - Step 2: Convert to fraction form
85,134.24/127,597.68 = 49,528.80/x - Step 3: Cross multiply
85,134.24x = 127,597.68 × 49,528.80 - Step 4: Simplify right side
85,134.24x = 6,319,759,973.18 - Step 5: Solve for x
x = 6,319,759,973.18/85,134.24 - Step 6: Final answer
x = 74,232.88
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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.