Finding the Fourth Proportional to 125,084.04, 172,612.98 and 68,497.80
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Solution
The fourth proportional to 125,084.04, 172,612.98 and 68,497.80 is: 94,525.32
Step by Step Solution
- Step 1: Write the proportion equation
125,084.04 : 172,612.98 = 68,497.80 : x - Step 2: Convert to fraction form
125,084.04/172,612.98 = 68,497.80/x - Step 3: Cross multiply
125,084.04x = 172,612.98 × 68,497.80 - Step 4: Simplify right side
125,084.04x = 11,823,609,381.44 - Step 5: Solve for x
x = 11,823,609,381.44/125,084.04 - Step 6: Final answer
x = 94,525.32
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1.5x scale
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.