Finding the Fourth Proportional to 86,664.66, 129,756.69 and 44,453.94
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Solution
The fourth proportional to 86,664.66, 129,756.69 and 44,453.94 is: 66,557.65
Step by Step Solution
- Step 1: Write the proportion equation
86,664.66 : 129,756.69 = 44,453.94 : x - Step 2: Convert to fraction form
86,664.66/129,756.69 = 44,453.94/x - Step 3: Cross multiply
86,664.66x = 129,756.69 × 44,453.94 - Step 4: Simplify right side
86,664.66x = 5,768,196,111.86 - Step 5: Solve for x
x = 5,768,196,111.86/86,664.66 - Step 6: Final answer
x = 66,557.65
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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.