Finding the Fourth Proportional to 78,354, 108,128.52 and 44,820
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Solution
The fourth proportional to 78,354, 108,128.52 and 44,820 is: 61,851.60
Step by Step Solution
- Step 1: Write the proportion equation
78,354 : 108,128.52 = 44,820 : x - Step 2: Convert to fraction form
78,354/108,128.52 = 44,820/x - Step 3: Cross multiply
78,354x = 108,128.52 × 44,820 - Step 4: Simplify right side
78,354x = 4,846,320,266.40 - Step 5: Solve for x
x = 4,846,320,266.40/78,354 - Step 6: Final answer
x = 61,851.60
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.