Finding the Fourth Proportional to 75,576.84, 104,289.60 and 43,747.68
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Solution
The fourth proportional to 75,576.84, 104,289.60 and 43,747.68 is: 60,368.07
Step by Step Solution
- Step 1: Write the proportion equation
75,576.84 : 104,289.60 = 43,747.68 : x - Step 2: Convert to fraction form
75,576.84/104,289.60 = 43,747.68/x - Step 3: Cross multiply
75,576.84x = 104,289.60 × 43,747.68 - Step 4: Simplify right side
75,576.84x = 4,562,428,048.13 - Step 5: Solve for x
x = 4,562,428,048.13/75,576.84 - Step 6: Final answer
x = 60,368.07
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1.5x scale
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.