Finding the Fourth Proportional to 84,420.23, 116,502.10 and 48,611.75
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Solution
The fourth proportional to 84,420.23, 116,502.10 and 48,611.75 is: 67,085.47
Step by Step Solution
- Step 1: Write the proportion equation
84,420.23 : 116,502.10 = 48,611.75 : x - Step 2: Convert to fraction form
84,420.23/116,502.10 = 48,611.75/x - Step 3: Cross multiply
84,420.23x = 116,502.10 × 48,611.75 - Step 4: Simplify right side
84,420.23x = 5,663,370,255.64 - Step 5: Solve for x
x = 5,663,370,255.64/84,420.23 - Step 6: Final answer
x = 67,085.47
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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.