Finding the Fourth Proportional to 112,342.08, 155,031.96 and 62,040.96
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Solution
The fourth proportional to 112,342.08, 155,031.96 and 62,040.96 is: 85,616.46
Step by Step Solution
- Step 1: Write the proportion equation
112,342.08 : 155,031.96 = 62,040.96 : x - Step 2: Convert to fraction form
112,342.08/155,031.96 = 62,040.96/x - Step 3: Cross multiply
112,342.08x = 155,031.96 × 62,040.96 - Step 4: Simplify right side
112,342.08x = 9,618,331,629.08 - Step 5: Solve for x
x = 9,618,331,629.08/112,342.08 - Step 6: Final answer
x = 85,616.46
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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.