Finding the Fourth Proportional to 83,797.70, 115,633.98 and 49,336.99
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Solution
The fourth proportional to 83,797.70, 115,633.98 and 49,336.99 is: 68,081.02
Step by Step Solution
- Step 1: Write the proportion equation
83,797.70 : 115,633.98 = 49,336.99 : x - Step 2: Convert to fraction form
83,797.70/115,633.98 = 49,336.99/x - Step 3: Cross multiply
83,797.70x = 115,633.98 × 49,336.99 - Step 4: Simplify right side
83,797.70x = 5,705,032,225.84 - Step 5: Solve for x
x = 5,705,032,225.84/83,797.70 - Step 6: Final answer
x = 68,081.02
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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.