Finding the Fourth Proportional to 77,033.74, 106,305.82 and 43,048.09
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Solution
The fourth proportional to 77,033.74, 106,305.82 and 43,048.09 is: 59,405.95
Step by Step Solution
- Step 1: Write the proportion equation
77,033.74 : 106,305.82 = 43,048.09 : x - Step 2: Convert to fraction form
77,033.74/106,305.82 = 43,048.09/x - Step 3: Cross multiply
77,033.74x = 106,305.82 × 43,048.09 - Step 4: Simplify right side
77,033.74x = 4,576,262,506.88 - Step 5: Solve for x
x = 4,576,262,506.88/77,033.74 - Step 6: Final answer
x = 59,405.95
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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.