Finding the Fourth Proportional to 80,889.84, 121,356.63 and 24,731.93
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Solution
The fourth proportional to 80,889.84, 121,356.63 and 24,731.93 is: 37,104.59
Step by Step Solution
- Step 1: Write the proportion equation
80,889.84 : 121,356.63 = 24,731.93 : x - Step 2: Convert to fraction form
80,889.84/121,356.63 = 24,731.93/x - Step 3: Cross multiply
80,889.84x = 121,356.63 × 24,731.93 - Step 4: Simplify right side
80,889.84x = 3,001,383,981.59 - Step 5: Solve for x
x = 3,001,383,981.59/80,889.84 - Step 6: Final answer
x = 37,104.59
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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.