Finding the Fourth Proportional to 85,125.18, 117,471.36 and 46,888.37
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Solution
The fourth proportional to 85,125.18, 117,471.36 and 46,888.37 is: 64,705.19
Step by Step Solution
- Step 1: Write the proportion equation
85,125.18 : 117,471.36 = 46,888.37 : x - Step 2: Convert to fraction form
85,125.18/117,471.36 = 46,888.37/x - Step 3: Cross multiply
85,125.18x = 117,471.36 × 46,888.37 - Step 4: Simplify right side
85,125.18x = 5,508,040,621.08 - Step 5: Solve for x
x = 5,508,040,621.08/85,125.18 - Step 6: Final answer
x = 64,705.19
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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.