Finding the Fourth Proportional to 75,642.84, 104,389.97 and 41,652.81
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Solution
The fourth proportional to 75,642.84, 104,389.97 and 41,652.81 is: 57,482.44
Step by Step Solution
- Step 1: Write the proportion equation
75,642.84 : 104,389.97 = 41,652.81 : x - Step 2: Convert to fraction form
75,642.84/104,389.97 = 41,652.81/x - Step 3: Cross multiply
75,642.84x = 104,389.97 × 41,652.81 - Step 4: Simplify right side
75,642.84x = 4,348,135,378.05 - Step 5: Solve for x
x = 4,348,135,378.05/75,642.84 - Step 6: Final answer
x = 57,482.44
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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.