Finding the Fourth Proportional to 79,822.84, 110,097.62 and 54,283.81
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Solution
The fourth proportional to 79,822.84, 110,097.62 and 54,283.81 is: 74,872.28
Step by Step Solution
- Step 1: Write the proportion equation
79,822.84 : 110,097.62 = 54,283.81 : x - Step 2: Convert to fraction form
79,822.84/110,097.62 = 54,283.81/x - Step 3: Cross multiply
79,822.84x = 110,097.62 × 54,283.81 - Step 4: Simplify right side
79,822.84x = 5,976,518,285.53 - Step 5: Solve for x
x = 5,976,518,285.53/79,822.84 - Step 6: Final answer
x = 74,872.28
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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.