Finding the Fourth Proportional to 75,670.18, 104,424.84 and 43,857.53
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Solution
The fourth proportional to 75,670.18, 104,424.84 and 43,857.53 is: 60,523.39
Step by Step Solution
- Step 1: Write the proportion equation
75,670.18 : 104,424.84 = 43,857.53 : x - Step 2: Convert to fraction form
75,670.18/104,424.84 = 43,857.53/x - Step 3: Cross multiply
75,670.18x = 104,424.84 × 43,857.53 - Step 4: Simplify right side
75,670.18x = 4,579,815,422.51 - Step 5: Solve for x
x = 4,579,815,422.51/75,670.18 - Step 6: Final answer
x = 60,523.39
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1.5x scale
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.