Finding the Fourth Proportional to 80,278.08, 110,783.76 and 44,470.41
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Solution
The fourth proportional to 80,278.08, 110,783.76 and 44,470.41 is: 61,369.17
Step by Step Solution
- Step 1: Write the proportion equation
80,278.08 : 110,783.76 = 44,470.41 : x - Step 2: Convert to fraction form
80,278.08/110,783.76 = 44,470.41/x - Step 3: Cross multiply
80,278.08x = 110,783.76 × 44,470.41 - Step 4: Simplify right side
80,278.08x = 4,926,599,228.54 - Step 5: Solve for x
x = 4,926,599,228.54/80,278.08 - Step 6: Final answer
x = 61,369.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.