Finding the Fourth Proportional to 125,084.04, 172,612.60 and 71,368.08
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Solution
The fourth proportional to 125,084.04, 172,612.60 and 71,368.08 is: 98,486.02
Step by Step Solution
- Step 1: Write the proportion equation
125,084.04 : 172,612.60 = 71,368.08 : x - Step 2: Convert to fraction form
125,084.04/172,612.60 = 71,368.08/x - Step 3: Cross multiply
125,084.04x = 172,612.60 × 71,368.08 - Step 4: Simplify right side
125,084.04x = 12,319,029,845.81 - Step 5: Solve for x
x = 12,319,029,845.81/125,084.04 - Step 6: Final answer
x = 98,486.02
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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.