Finding the Fourth Proportional to 84,861.98, 117,109.58 and 46,623.99
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Solution
The fourth proportional to 84,861.98, 117,109.58 and 46,623.99 is: 64,341.14
Step by Step Solution
- Step 1: Write the proportion equation
84,861.98 : 117,109.58 = 46,623.99 : x - Step 2: Convert to fraction form
84,861.98/117,109.58 = 46,623.99/x - Step 3: Cross multiply
84,861.98x = 117,109.58 × 46,623.99 - Step 4: Simplify right side
84,861.98x = 5,460,116,092.09 - Step 5: Solve for x
x = 5,460,116,092.09/84,861.98 - Step 6: Final answer
x = 64,341.14
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1.5x scale
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.