Finding the Fourth Proportional to 96,393.54, 133,021.71 and 53,368.91
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Solution
The fourth proportional to 96,393.54, 133,021.71 and 53,368.91 is: 73,648.33
Step by Step Solution
- Step 1: Write the proportion equation
96,393.54 : 133,021.71 = 53,368.91 : x - Step 2: Convert to fraction form
96,393.54/133,021.71 = 53,368.91/x - Step 3: Cross multiply
96,393.54x = 133,021.71 × 53,368.91 - Step 4: Simplify right side
96,393.54x = 7,099,223,003.93 - Step 5: Solve for x
x = 7,099,223,003.93/96,393.54 - Step 6: Final answer
x = 73,648.33
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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.