Finding the Fourth Proportional to 84,151.36, 116,125.68 and 52,312.96
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Solution
The fourth proportional to 84,151.36, 116,125.68 and 52,312.96 is: 72,189.90
Step by Step Solution
- Step 1: Write the proportion equation
84,151.36 : 116,125.68 = 52,312.96 : x - Step 2: Convert to fraction form
84,151.36/116,125.68 = 52,312.96/x - Step 3: Cross multiply
84,151.36x = 116,125.68 × 52,312.96 - Step 4: Simplify right side
84,151.36x = 6,074,878,052.81 - Step 5: Solve for x
x = 6,074,878,052.81/84,151.36 - Step 6: Final answer
x = 72,189.90
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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.