Finding the Fourth Proportional to 75,447.84, 104,078.98 and 51,250.05
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Solution
The fourth proportional to 75,447.84, 104,078.98 and 51,250.05 is: 70,698.55
Step by Step Solution
- Step 1: Write the proportion equation
75,447.84 : 104,078.98 = 51,250.05 : x - Step 2: Convert to fraction form
75,447.84/104,078.98 = 51,250.05/x - Step 3: Cross multiply
75,447.84x = 104,078.98 × 51,250.05 - Step 4: Simplify right side
75,447.84x = 5,334,052,800.82 - Step 5: Solve for x
x = 5,334,052,800.82/75,447.84 - Step 6: Final answer
x = 70,698.55
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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.