Finding the Fourth Proportional to 75,575.58, 113,207.76 and 44,335.50
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Solution
The fourth proportional to 75,575.58, 113,207.76 and 44,335.50 is: 66,411.96
Step by Step Solution
- Step 1: Write the proportion equation
75,575.58 : 113,207.76 = 44,335.50 : x - Step 2: Convert to fraction form
75,575.58/113,207.76 = 44,335.50/x - Step 3: Cross multiply
75,575.58x = 113,207.76 × 44,335.50 - Step 4: Simplify right side
75,575.58x = 5,019,122,643.48 - Step 5: Solve for x
x = 5,019,122,643.48/75,575.58 - Step 6: Final answer
x = 66,411.96
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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.