Finding the Fourth Proportional to 73,774.80, 110,778.84 and 58,261.68
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Solution
The fourth proportional to 73,774.80, 110,778.84 and 58,261.68 is: 87,484.63
Step by Step Solution
- Step 1: Write the proportion equation
73,774.80 : 110,778.84 = 58,261.68 : x - Step 2: Convert to fraction form
73,774.80/110,778.84 = 58,261.68/x - Step 3: Cross multiply
73,774.80x = 110,778.84 × 58,261.68 - Step 4: Simplify right side
73,774.80x = 6,454,161,326.85 - Step 5: Solve for x
x = 6,454,161,326.85/73,774.80 - Step 6: Final answer
x = 87,484.63
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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.