Finding the Fourth Proportional to 92,621.18, 127,816.98 and 50,179.80
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Solution
The fourth proportional to 92,621.18, 127,816.98 and 50,179.80 is: 69,247.99
Step by Step Solution
- Step 1: Write the proportion equation
92,621.18 : 127,816.98 = 50,179.80 : x - Step 2: Convert to fraction form
92,621.18/127,816.98 = 50,179.80/x - Step 3: Cross multiply
92,621.18x = 127,816.98 × 50,179.80 - Step 4: Simplify right side
92,621.18x = 6,413,830,493.00 - Step 5: Solve for x
x = 6,413,830,493.00/92,621.18 - Step 6: Final answer
x = 69,247.99
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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.