Finding the Fourth Proportional to 93,618.59, 129,207.08 and 53,336.14
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Solution
The fourth proportional to 93,618.59, 129,207.08 and 53,336.14 is: 73,611.52
Step by Step Solution
- Step 1: Write the proportion equation
93,618.59 : 129,207.08 = 53,336.14 : x - Step 2: Convert to fraction form
93,618.59/129,207.08 = 53,336.14/x - Step 3: Cross multiply
93,618.59x = 129,207.08 × 53,336.14 - Step 4: Simplify right side
93,618.59x = 6,891,406,718.19 - Step 5: Solve for x
x = 6,891,406,718.19/93,618.59 - Step 6: Final answer
x = 73,611.52
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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.