Finding the Fourth Proportional to 77,292.18, 106,639.00 and 43,296.08
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Solution
The fourth proportional to 77,292.18, 106,639.00 and 43,296.08 is: 59,735.02
Step by Step Solution
- Step 1: Write the proportion equation
77,292.18 : 106,639.00 = 43,296.08 : x - Step 2: Convert to fraction form
77,292.18/106,639.00 = 43,296.08/x - Step 3: Cross multiply
77,292.18x = 106,639.00 × 43,296.08 - Step 4: Simplify right side
77,292.18x = 4,617,050,033.68 - Step 5: Solve for x
x = 4,617,050,033.68/77,292.18 - Step 6: Final answer
x = 59,735.02
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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.