Finding the Fourth Proportional to 93,713.88, 129,328.26 and 51,272.43
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Solution
The fourth proportional to 93,713.88, 129,328.26 and 51,272.43 is: 70,757.65
Step by Step Solution
- Step 1: Write the proportion equation
93,713.88 : 129,328.26 = 51,272.43 : x - Step 2: Convert to fraction form
93,713.88/129,328.26 = 51,272.43/x - Step 3: Cross multiply
93,713.88x = 129,328.26 × 51,272.43 - Step 4: Simplify right side
93,713.88x = 6,630,974,157.87 - Step 5: Solve for x
x = 6,630,974,157.87/93,713.88 - Step 6: Final answer
x = 70,757.65
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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.