Finding the Fourth Proportional to 88,829.20, 122,441.84 and 60,139.84
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Solution
The fourth proportional to 88,829.20, 122,441.84 and 60,139.84 is: 82,896.53
Step by Step Solution
- Step 1: Write the proportion equation
88,829.20 : 122,441.84 = 60,139.84 : x - Step 2: Convert to fraction form
88,829.20/122,441.84 = 60,139.84/x - Step 3: Cross multiply
88,829.20x = 122,441.84 × 60,139.84 - Step 4: Simplify right side
88,829.20x = 7,363,632,666.91 - Step 5: Solve for x
x = 7,363,632,666.91/88,829.20 - Step 6: Final answer
x = 82,896.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.