Finding the Fourth Proportional to 98,734.08, 136,252.64 and 53,412.08
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Solution
The fourth proportional to 98,734.08, 136,252.64 and 53,412.08 is: 73,708.46
Step by Step Solution
- Step 1: Write the proportion equation
98,734.08 : 136,252.64 = 53,412.08 : x - Step 2: Convert to fraction form
98,734.08/136,252.64 = 53,412.08/x - Step 3: Cross multiply
98,734.08x = 136,252.64 × 53,412.08 - Step 4: Simplify right side
98,734.08x = 7,277,536,907.89 - Step 5: Solve for x
x = 7,277,536,907.89/98,734.08 - Step 6: Final answer
x = 73,708.46
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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.