Finding the Fourth Proportional to 85,752.27, 118,341.68 and 48,026.79
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Solution
The fourth proportional to 85,752.27, 118,341.68 and 48,026.79 is: 66,278.95
Step by Step Solution
- Step 1: Write the proportion equation
85,752.27 : 118,341.68 = 48,026.79 : x - Step 2: Convert to fraction form
85,752.27/118,341.68 = 48,026.79/x - Step 3: Cross multiply
85,752.27x = 118,341.68 × 48,026.79 - Step 4: Simplify right side
85,752.27x = 5,683,570,773.47 - Step 5: Solve for x
x = 5,683,570,773.47/85,752.27 - Step 6: Final answer
x = 66,278.95
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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.