Finding the Fourth Proportional to 75,165.84, 112,748.68 and 30,792.68
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Solution
The fourth proportional to 75,165.84, 112,748.68 and 30,792.68 is: 46,188.99
Step by Step Solution
- Step 1: Write the proportion equation
75,165.84 : 112,748.68 = 30,792.68 : x - Step 2: Convert to fraction form
75,165.84/112,748.68 = 30,792.68/x - Step 3: Cross multiply
75,165.84x = 112,748.68 × 30,792.68 - Step 4: Simplify right side
75,165.84x = 3,471,834,023.66 - Step 5: Solve for x
x = 3,471,834,023.66/75,165.84 - Step 6: Final answer
x = 46,188.99
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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.