Finding the Fourth Proportional to 83,842.82, 115,697.94 and 48,024.62
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Solution
The fourth proportional to 83,842.82, 115,697.94 and 48,024.62 is: 66,271.02
Step by Step Solution
- Step 1: Write the proportion equation
83,842.82 : 115,697.94 = 48,024.62 : x - Step 2: Convert to fraction form
83,842.82/115,697.94 = 48,024.62/x - Step 3: Cross multiply
83,842.82x = 115,697.94 × 48,024.62 - Step 4: Simplify right side
83,842.82x = 5,556,349,603.28 - Step 5: Solve for x
x = 5,556,349,603.28/83,842.82 - Step 6: Final answer
x = 66,271.02
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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.