Finding the Fourth Proportional to 112,593.68, 168,890.42 and 53,397.08
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Solution
The fourth proportional to 112,593.68, 168,890.42 and 53,397.08 is: 80,095.57
Step by Step Solution
- Step 1: Write the proportion equation
112,593.68 : 168,890.42 = 53,397.08 : x - Step 2: Convert to fraction form
112,593.68/168,890.42 = 53,397.08/x - Step 3: Cross multiply
112,593.68x = 168,890.42 × 53,397.08 - Step 4: Simplify right side
112,593.68x = 9,018,255,267.97 - Step 5: Solve for x
x = 9,018,255,267.97/112,593.68 - Step 6: Final answer
x = 80,095.57
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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.