Finding the Fourth Proportional to 83,604.07, 125,418.35 and 39,235.31
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Solution
The fourth proportional to 83,604.07, 125,418.35 and 39,235.31 is: 58,858.71
Step by Step Solution
- Step 1: Write the proportion equation
83,604.07 : 125,418.35 = 39,235.31 : x - Step 2: Convert to fraction form
83,604.07/125,418.35 = 39,235.31/x - Step 3: Cross multiply
83,604.07x = 125,418.35 × 39,235.31 - Step 4: Simplify right side
83,604.07x = 4,920,827,841.94 - Step 5: Solve for x
x = 4,920,827,841.94/83,604.07 - Step 6: Final answer
x = 58,858.71
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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.