Finding the Fourth Proportional to 83,790.19, 125,685.32 and 24,625.87
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Solution
The fourth proportional to 83,790.19, 125,685.32 and 24,625.87 is: 36,938.82
Step by Step Solution
- Step 1: Write the proportion equation
83,790.19 : 125,685.32 = 24,625.87 : x - Step 2: Convert to fraction form
83,790.19/125,685.32 = 24,625.87/x - Step 3: Cross multiply
83,790.19x = 125,685.32 × 24,625.87 - Step 4: Simplify right side
83,790.19x = 3,095,110,351.23 - Step 5: Solve for x
x = 3,095,110,351.23/83,790.19 - Step 6: Final answer
x = 36,938.82
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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.