Finding the Fourth Proportional to 96,791.95, 133,551.07 and 54,347.68
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Solution
The fourth proportional to 96,791.95, 133,551.07 and 54,347.68 is: 74,987.55
Step by Step Solution
- Step 1: Write the proportion equation
96,791.95 : 133,551.07 = 54,347.68 : x - Step 2: Convert to fraction form
96,791.95/133,551.07 = 54,347.68/x - Step 3: Cross multiply
96,791.95x = 133,551.07 × 54,347.68 - Step 4: Simplify right side
96,791.95x = 7,258,190,816.02 - Step 5: Solve for x
x = 7,258,190,816.02/96,791.95 - Step 6: Final answer
x = 74,987.55
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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.