Finding the Fourth Proportional to 75,402.68, 113,089.44 and 22,799.84
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Solution
The fourth proportional to 75,402.68, 113,089.44 and 22,799.84 is: 34,195.35
Step by Step Solution
- Step 1: Write the proportion equation
75,402.68 : 113,089.44 = 22,799.84 : x - Step 2: Convert to fraction form
75,402.68/113,089.44 = 22,799.84/x - Step 3: Cross multiply
75,402.68x = 113,089.44 × 22,799.84 - Step 4: Simplify right side
75,402.68x = 2,578,421,137.69 - Step 5: Solve for x
x = 2,578,421,137.69/75,402.68 - Step 6: Final answer
x = 34,195.35
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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.