Finding the Fourth Proportional to 91,954.68, 137,929.20 and 25,398.84
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Solution
The fourth proportional to 91,954.68, 137,929.20 and 25,398.84 is: 38,097.48
Step by Step Solution
- Step 1: Write the proportion equation
91,954.68 : 137,929.20 = 25,398.84 : x - Step 2: Convert to fraction form
91,954.68/137,929.20 = 25,398.84/x - Step 3: Cross multiply
91,954.68x = 137,929.20 × 25,398.84 - Step 4: Simplify right side
91,954.68x = 3,503,241,682.13 - Step 5: Solve for x
x = 3,503,241,682.13/91,954.68 - Step 6: Final answer
x = 38,097.48
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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.