Finding the Fourth Proportional to 92,378.68, 138,427.08 and 48,019.84
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Solution
The fourth proportional to 92,378.68, 138,427.08 and 48,019.84 is: 71,956.50
Step by Step Solution
- Step 1: Write the proportion equation
92,378.68 : 138,427.08 = 48,019.84 : x - Step 2: Convert to fraction form
92,378.68/138,427.08 = 48,019.84/x - Step 3: Cross multiply
92,378.68x = 138,427.08 × 48,019.84 - Step 4: Simplify right side
92,378.68x = 6,647,246,233.27 - Step 5: Solve for x
x = 6,647,246,233.27/92,378.68 - Step 6: Final answer
x = 71,956.50
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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.