Finding the Fourth Proportional to 112,590.68, 168,885.92 and 53,394.08
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Solution
The fourth proportional to 112,590.68, 168,885.92 and 53,394.08 is: 80,091.07
Step by Step Solution
- Step 1: Write the proportion equation
112,590.68 : 168,885.92 = 53,394.08 : x - Step 2: Convert to fraction form
112,590.68/168,885.92 = 53,394.08/x - Step 3: Cross multiply
112,590.68x = 168,885.92 × 53,394.08 - Step 4: Simplify right side
112,590.68x = 9,017,508,323.35 - Step 5: Solve for x
x = 9,017,508,323.35/112,590.68 - Step 6: Final answer
x = 80,091.07
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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.