Finding the Fourth Proportional to 92,516.18, 138,782.98 and 25,956.05
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Solution
The fourth proportional to 92,516.18, 138,782.98 and 25,956.05 is: 38,936.52
Step by Step Solution
- Step 1: Write the proportion equation
92,516.18 : 138,782.98 = 25,956.05 : x - Step 2: Convert to fraction form
92,516.18/138,782.98 = 25,956.05/x - Step 3: Cross multiply
92,516.18x = 138,782.98 × 25,956.05 - Step 4: Simplify right side
92,516.18x = 3,602,257,968.03 - Step 5: Solve for x
x = 3,602,257,968.03/92,516.18 - Step 6: Final answer
x = 38,936.52
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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.