Finding the Fourth Proportional to 77,328.62, 106,710.27 and 43,794.62
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Solution
The fourth proportional to 77,328.62, 106,710.27 and 43,794.62 is: 60,434.75
Step by Step Solution
- Step 1: Write the proportion equation
77,328.62 : 106,710.27 = 43,794.62 : x - Step 2: Convert to fraction form
77,328.62/106,710.27 = 43,794.62/x - Step 3: Cross multiply
77,328.62x = 106,710.27 × 43,794.62 - Step 4: Simplify right side
77,328.62x = 4,673,335,724.75 - Step 5: Solve for x
x = 4,673,335,724.75/77,328.62 - Step 6: Final answer
x = 60,434.75
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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.