Finding the Fourth Proportional to 75,366.94, 103,985.08 and 48,524.98
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Solution
The fourth proportional to 75,366.94, 103,985.08 and 48,524.98 is: 66,950.76
Step by Step Solution
- Step 1: Write the proportion equation
75,366.94 : 103,985.08 = 48,524.98 : x - Step 2: Convert to fraction form
75,366.94/103,985.08 = 48,524.98/x - Step 3: Cross multiply
75,366.94x = 103,985.08 × 48,524.98 - Step 4: Simplify right side
75,366.94x = 5,045,873,927.30 - Step 5: Solve for x
x = 5,045,873,927.30/75,366.94 - Step 6: Final answer
x = 66,950.76
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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.