Finding the Fourth Proportional to 90,710.24, 125,181.62 and 49,876.08
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Solution
The fourth proportional to 90,710.24, 125,181.62 and 49,876.08 is: 68,829.81
Step by Step Solution
- Step 1: Write the proportion equation
90,710.24 : 125,181.62 = 49,876.08 : x - Step 2: Convert to fraction form
90,710.24/125,181.62 = 49,876.08/x - Step 3: Cross multiply
90,710.24x = 125,181.62 × 49,876.08 - Step 4: Simplify right side
90,710.24x = 6,243,568,244.27 - Step 5: Solve for x
x = 6,243,568,244.27/90,710.24 - Step 6: Final answer
x = 68,829.81
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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.