Finding the Fourth Proportional to 107,709.69, 148,645.26 and 59,961.99
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Solution
The fourth proportional to 107,709.69, 148,645.26 and 59,961.99 is: 82,750.82
Step by Step Solution
- Step 1: Write the proportion equation
107,709.69 : 148,645.26 = 59,961.99 : x - Step 2: Convert to fraction form
107,709.69/148,645.26 = 59,961.99/x - Step 3: Cross multiply
107,709.69x = 148,645.26 × 59,961.99 - Step 4: Simplify right side
107,709.69x = 8,913,065,593.67 - Step 5: Solve for x
x = 8,913,065,593.67/107,709.69 - Step 6: Final answer
x = 82,750.82
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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.