Finding the Fourth Proportional to 122,924.10, 169,638.45 and 69,211.08
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Solution
The fourth proportional to 122,924.10, 169,638.45 and 69,211.08 is: 95,513.09
Step by Step Solution
- Step 1: Write the proportion equation
122,924.10 : 169,638.45 = 69,211.08 : x - Step 2: Convert to fraction form
122,924.10/169,638.45 = 69,211.08/x - Step 3: Cross multiply
122,924.10x = 169,638.45 × 69,211.08 - Step 4: Simplify right side
122,924.10x = 11,740,860,334.03 - Step 5: Solve for x
x = 11,740,860,334.03/122,924.10 - Step 6: Final answer
x = 95,513.09
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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.