Finding the Fourth Proportional to 75,407.19, 113,092.10 and 25,486.18
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Solution
The fourth proportional to 75,407.19, 113,092.10 and 25,486.18 is: 38,222.95
Step by Step Solution
- Step 1: Write the proportion equation
75,407.19 : 113,092.10 = 25,486.18 : x - Step 2: Convert to fraction form
75,407.19/113,092.10 = 25,486.18/x - Step 3: Cross multiply
75,407.19x = 113,092.10 × 25,486.18 - Step 4: Simplify right side
75,407.19x = 2,882,285,302.59 - Step 5: Solve for x
x = 2,882,285,302.59/75,407.19 - Step 6: Final answer
x = 38,222.95
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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.