Finding the Fourth Proportional to 97,063.08, 133,946.78 and 54,621.62
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Solution
The fourth proportional to 97,063.08, 133,946.78 and 54,621.62 is: 75,377.68
Step by Step Solution
- Step 1: Write the proportion equation
97,063.08 : 133,946.78 = 54,621.62 : x - Step 2: Convert to fraction form
97,063.08/133,946.78 = 54,621.62/x - Step 3: Cross multiply
97,063.08x = 133,946.78 × 54,621.62 - Step 4: Simplify right side
97,063.08x = 7,316,389,447.65 - Step 5: Solve for x
x = 7,316,389,447.65/97,063.08 - Step 6: Final answer
x = 75,377.68
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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.