Finding the Fourth Proportional to 112,349.92, 155,029.68 and 62,045.92
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Solution
The fourth proportional to 112,349.92, 155,029.68 and 62,045.92 is: 85,616.07
Step by Step Solution
- Step 1: Write the proportion equation
112,349.92 : 155,029.68 = 62,045.92 : x - Step 2: Convert to fraction form
112,349.92/155,029.68 = 62,045.92/x - Step 3: Cross multiply
112,349.92x = 155,029.68 × 62,045.92 - Step 4: Simplify right side
112,349.92x = 9,618,959,122.91 - Step 5: Solve for x
x = 9,618,959,122.91/112,349.92 - Step 6: Final answer
x = 85,616.07
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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.