Finding the Fourth Proportional to 87,767.35, 131,637.35 and 28,602.62
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Solution
The fourth proportional to 87,767.35, 131,637.35 and 28,602.62 is: 42,899.47
Step by Step Solution
- Step 1: Write the proportion equation
87,767.35 : 131,637.35 = 28,602.62 : x - Step 2: Convert to fraction form
87,767.35/131,637.35 = 28,602.62/x - Step 3: Cross multiply
87,767.35x = 131,637.35 × 28,602.62 - Step 4: Simplify right side
87,767.35x = 3,765,173,006.82 - Step 5: Solve for x
x = 3,765,173,006.82/87,767.35 - Step 6: Final answer
x = 42,899.47
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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.