Finding the Fourth Proportional to 125,794.80, 173,577.06 and 72,069.48
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Solution
The fourth proportional to 125,794.80, 173,577.06 and 72,069.48 is: 99,444.56
Step by Step Solution
- Step 1: Write the proportion equation
125,794.80 : 173,577.06 = 72,069.48 : x - Step 2: Convert to fraction form
125,794.80/173,577.06 = 72,069.48/x - Step 3: Cross multiply
125,794.80x = 173,577.06 × 72,069.48 - Step 4: Simplify right side
125,794.80x = 12,509,608,454.13 - Step 5: Solve for x
x = 12,509,608,454.13/125,794.80 - Step 6: Final answer
x = 99,444.56
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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.