Finding the Fourth Proportional to 75,627.95, 113,415.47 and 22,305.75
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Solution
The fourth proportional to 75,627.95, 113,415.47 and 22,305.75 is: 33,450.82
Step by Step Solution
- Step 1: Write the proportion equation
75,627.95 : 113,415.47 = 22,305.75 : x - Step 2: Convert to fraction form
75,627.95/113,415.47 = 22,305.75/x - Step 3: Cross multiply
75,627.95x = 113,415.47 × 22,305.75 - Step 4: Simplify right side
75,627.95x = 2,529,817,119.95 - Step 5: Solve for x
x = 2,529,817,119.95/75,627.95 - Step 6: Final answer
x = 33,450.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.