Finding the Fourth Proportional to 80,746.26, 121,138.96 and 25,342.26
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Solution
The fourth proportional to 80,746.26, 121,138.96 and 25,342.26 is: 38,019.53
Step by Step Solution
- Step 1: Write the proportion equation
80,746.26 : 121,138.96 = 25,342.26 : x - Step 2: Convert to fraction form
80,746.26/121,138.96 = 25,342.26/x - Step 3: Cross multiply
80,746.26x = 121,138.96 × 25,342.26 - Step 4: Simplify right side
80,746.26x = 3,069,935,020.45 - Step 5: Solve for x
x = 3,069,935,020.45/80,746.26 - Step 6: Final answer
x = 38,019.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.