Finding the Fourth Proportional to 79,768.74, 119,666.25 and 29,866.26
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Solution
The fourth proportional to 79,768.74, 119,666.25 and 29,866.26 is: 44,804.31
Step by Step Solution
- Step 1: Write the proportion equation
79,768.74 : 119,666.25 = 29,866.26 : x - Step 2: Convert to fraction form
79,768.74/119,666.25 = 29,866.26/x - Step 3: Cross multiply
79,768.74x = 119,666.25 × 29,866.26 - Step 4: Simplify right side
79,768.74x = 3,573,983,335.73 - Step 5: Solve for x
x = 3,573,983,335.73/79,768.74 - Step 6: Final answer
x = 44,804.31
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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.