Finding the Fourth Proportional to 75,579.84, 104,293.74 and 43,750.68
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Solution
The fourth proportional to 75,579.84, 104,293.74 and 43,750.68 is: 60,372.21
Step by Step Solution
- Step 1: Write the proportion equation
75,579.84 : 104,293.74 = 43,750.68 : x - Step 2: Convert to fraction form
75,579.84/104,293.74 = 43,750.68/x - Step 3: Cross multiply
75,579.84x = 104,293.74 × 43,750.68 - Step 4: Simplify right side
75,579.84x = 4,562,922,044.74 - Step 5: Solve for x
x = 4,562,922,044.74/75,579.84 - Step 6: Final answer
x = 60,372.21
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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.