Finding the Fourth Proportional to 75,302.26, 112,731.45 and 65,960.53
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Solution
The fourth proportional to 75,302.26, 112,731.45 and 65,960.53 is: 98,746.38
Step by Step Solution
- Step 1: Write the proportion equation
75,302.26 : 112,731.45 = 65,960.53 : x - Step 2: Convert to fraction form
75,302.26/112,731.45 = 65,960.53/x - Step 3: Cross multiply
75,302.26x = 112,731.45 × 65,960.53 - Step 4: Simplify right side
75,302.26x = 7,435,825,660.49 - Step 5: Solve for x
x = 7,435,825,660.49/75,302.26 - Step 6: Final answer
x = 98,746.38
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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.