Finding the Fourth Proportional to 98,529.66, 147,794.35 and 31,976.42
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Solution
The fourth proportional to 98,529.66, 147,794.35 and 31,976.42 is: 47,964.58
Step by Step Solution
- Step 1: Write the proportion equation
98,529.66 : 147,794.35 = 31,976.42 : x - Step 2: Convert to fraction form
98,529.66/147,794.35 = 31,976.42/x - Step 3: Cross multiply
98,529.66x = 147,794.35 × 31,976.42 - Step 4: Simplify right side
98,529.66x = 4,725,934,209.23 - Step 5: Solve for x
x = 4,725,934,209.23/98,529.66 - Step 6: Final answer
x = 47,964.58
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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.