Finding the Fourth Proportional to 125,023.52, 172,534.08 and 68,433.68
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Solution
The fourth proportional to 125,023.52, 172,534.08 and 68,433.68 is: 94,439.37
Step by Step Solution
- Step 1: Write the proportion equation
125,023.52 : 172,534.08 = 68,433.68 : x - Step 2: Convert to fraction form
125,023.52/172,534.08 = 68,433.68/x - Step 3: Cross multiply
125,023.52x = 172,534.08 × 68,433.68 - Step 4: Simplify right side
125,023.52x = 11,807,142,019.81 - Step 5: Solve for x
x = 11,807,142,019.81/125,023.52 - Step 6: Final answer
x = 94,439.37
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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.