Finding the Fourth Proportional to 97,057.12, 133,905.36 and 58,828.96
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Solution
The fourth proportional to 97,057.12, 133,905.36 and 58,828.96 is: 81,163.68
Step by Step Solution
- Step 1: Write the proportion equation
97,057.12 : 133,905.36 = 58,828.96 : x - Step 2: Convert to fraction form
97,057.12/133,905.36 = 58,828.96/x - Step 3: Cross multiply
97,057.12x = 133,905.36 × 58,828.96 - Step 4: Simplify right side
97,057.12x = 7,877,513,067.23 - Step 5: Solve for x
x = 7,877,513,067.23/97,057.12 - Step 6: Final answer
x = 81,163.68
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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.