Finding the Fourth Proportional to 84,865.08, 117,113.88 and 46,624.70
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Solution
The fourth proportional to 84,865.08, 117,113.88 and 46,624.70 is: 64,342.12
Step by Step Solution
- Step 1: Write the proportion equation
84,865.08 : 117,113.88 = 46,624.70 : x - Step 2: Convert to fraction form
84,865.08/117,113.88 = 46,624.70/x - Step 3: Cross multiply
84,865.08x = 117,113.88 × 46,624.70 - Step 4: Simplify right side
84,865.08x = 5,460,399,520.84 - Step 5: Solve for x
x = 5,460,399,520.84/84,865.08 - Step 6: Final answer
x = 64,342.12
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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.