Finding the Fourth Proportional to 125,881.12, 173,720.08 and 69,296.80
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Solution
The fourth proportional to 125,881.12, 173,720.08 and 69,296.80 is: 95,631.86
Step by Step Solution
- Step 1: Write the proportion equation
125,881.12 : 173,720.08 = 69,296.80 : x - Step 2: Convert to fraction form
125,881.12/173,720.08 = 69,296.80/x - Step 3: Cross multiply
125,881.12x = 173,720.08 × 69,296.80 - Step 4: Simplify right side
125,881.12x = 12,038,245,639.74 - Step 5: Solve for x
x = 12,038,245,639.74/125,881.12 - Step 6: Final answer
x = 95,631.86
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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.