Finding the Fourth Proportional to 96,720.02, 133,473.69 and 54,278.54
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Solution
The fourth proportional to 96,720.02, 133,473.69 and 54,278.54 is: 74,904.42
Step by Step Solution
- Step 1: Write the proportion equation
96,720.02 : 133,473.69 = 54,278.54 : x - Step 2: Convert to fraction form
96,720.02/133,473.69 = 54,278.54/x - Step 3: Cross multiply
96,720.02x = 133,473.69 × 54,278.54 - Step 4: Simplify right side
96,720.02x = 7,244,756,354.24 - Step 5: Solve for x
x = 7,244,756,354.24/96,720.02 - Step 6: Final answer
x = 74,904.42
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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.