Finding the Fourth Proportional to 94,015.54, 129,747.18 and 62,129.08
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Solution
The fourth proportional to 94,015.54, 129,747.18 and 62,129.08 is: 85,741.92
Step by Step Solution
- Step 1: Write the proportion equation
94,015.54 : 129,747.18 = 62,129.08 : x - Step 2: Convert to fraction form
94,015.54/129,747.18 = 62,129.08/x - Step 3: Cross multiply
94,015.54x = 129,747.18 × 62,129.08 - Step 4: Simplify right side
94,015.54x = 8,061,072,925.99 - Step 5: Solve for x
x = 8,061,072,925.99/94,015.54 - Step 6: Final answer
x = 85,741.92
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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.