Finding the Fourth Proportional to 97,159.84, 134,081.04 and 54,719.12
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Solution
The fourth proportional to 97,159.84, 134,081.04 and 54,719.12 is: 75,512.65
Step by Step Solution
- Step 1: Write the proportion equation
97,159.84 : 134,081.04 = 54,719.12 : x - Step 2: Convert to fraction form
97,159.84/134,081.04 = 54,719.12/x - Step 3: Cross multiply
97,159.84x = 134,081.04 × 54,719.12 - Step 4: Simplify right side
97,159.84x = 7,336,796,517.48 - Step 5: Solve for x
x = 7,336,796,517.48/97,159.84 - Step 6: Final answer
x = 75,512.65
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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.