Finding the Fourth Proportional to 83,516.78, 125,282.19 and 27,355.70
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Solution
The fourth proportional to 83,516.78, 125,282.19 and 27,355.70 is: 41,035.85
Step by Step Solution
- Step 1: Write the proportion equation
83,516.78 : 125,282.19 = 27,355.70 : x - Step 2: Convert to fraction form
83,516.78/125,282.19 = 27,355.70/x - Step 3: Cross multiply
83,516.78x = 125,282.19 × 27,355.70 - Step 4: Simplify right side
83,516.78x = 3,427,182,420.77 - Step 5: Solve for x
x = 3,427,182,420.77/83,516.78 - Step 6: Final answer
x = 41,035.85
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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.