Finding the Fourth Proportional to 96,447.74, 133,094.21 and 54,004.14
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Solution
The fourth proportional to 96,447.74, 133,094.21 and 54,004.14 is: 74,523.66
Step by Step Solution
- Step 1: Write the proportion equation
96,447.74 : 133,094.21 = 54,004.14 : x - Step 2: Convert to fraction form
96,447.74/133,094.21 = 54,004.14/x - Step 3: Cross multiply
96,447.74x = 133,094.21 × 54,004.14 - Step 4: Simplify right side
96,447.74x = 7,187,638,080.01 - Step 5: Solve for x
x = 7,187,638,080.01/96,447.74 - Step 6: Final answer
x = 74,523.66
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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.