Finding the Fourth Proportional to 96,491.13, 133,157.57 and 54,048.75
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Solution
The fourth proportional to 96,491.13, 133,157.57 and 54,048.75 is: 74,587.17
Step by Step Solution
- Step 1: Write the proportion equation
96,491.13 : 133,157.57 = 54,048.75 : x - Step 2: Convert to fraction form
96,491.13/133,157.57 = 54,048.75/x - Step 3: Cross multiply
96,491.13x = 133,157.57 × 54,048.75 - Step 4: Simplify right side
96,491.13x = 7,196,999,941.29 - Step 5: Solve for x
x = 7,196,999,941.29/96,491.13 - Step 6: Final answer
x = 74,587.17
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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.