Finding the Fourth Proportional to 77,168.58, 115,761.36 and 24,565.74
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Solution
The fourth proportional to 77,168.58, 115,761.36 and 24,565.74 is: 36,851.31
Step by Step Solution
- Step 1: Write the proportion equation
77,168.58 : 115,761.36 = 24,565.74 : x - Step 2: Convert to fraction form
77,168.58/115,761.36 = 24,565.74/x - Step 3: Cross multiply
77,168.58x = 115,761.36 × 24,565.74 - Step 4: Simplify right side
77,168.58x = 2,843,763,471.81 - Step 5: Solve for x
x = 2,843,763,471.81/77,168.58 - Step 6: Final answer
x = 36,851.31
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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.