Finding the Fourth Proportional to 96,968.28, 133,832.13 and 56,674.17
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Solution
The fourth proportional to 96,968.28, 133,832.13 and 56,674.17 is: 78,219.65
Step by Step Solution
- Step 1: Write the proportion equation
96,968.28 : 133,832.13 = 56,674.17 : x - Step 2: Convert to fraction form
96,968.28/133,832.13 = 56,674.17/x - Step 3: Cross multiply
96,968.28x = 133,832.13 × 56,674.17 - Step 4: Simplify right side
96,968.28x = 7,584,824,887.08 - Step 5: Solve for x
x = 7,584,824,887.08/96,968.28 - Step 6: Final answer
x = 78,219.65
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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.