Finding the Fourth Proportional to 92,729.75, 138,935.73 and 62,277.80
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Solution
The fourth proportional to 92,729.75, 138,935.73 and 62,277.80 is: 93,309.99
Step by Step Solution
- Step 1: Write the proportion equation
92,729.75 : 138,935.73 = 62,277.80 : x - Step 2: Convert to fraction form
92,729.75/138,935.73 = 62,277.80/x - Step 3: Cross multiply
92,729.75x = 138,935.73 × 62,277.80 - Step 4: Simplify right side
92,729.75x = 8,652,611,953.13 - Step 5: Solve for x
x = 8,652,611,953.13/92,729.75 - Step 6: Final answer
x = 93,309.99
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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.