Finding the Fourth Proportional to 83,841.24, 115,703.10 and 46,116.48
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Solution
The fourth proportional to 83,841.24, 115,703.10 and 46,116.48 is: 63,641.95
Step by Step Solution
- Step 1: Write the proportion equation
83,841.24 : 115,703.10 = 46,116.48 : x - Step 2: Convert to fraction form
83,841.24/115,703.10 = 46,116.48/x - Step 3: Cross multiply
83,841.24x = 115,703.10 × 46,116.48 - Step 4: Simplify right side
83,841.24x = 5,335,819,697.09 - Step 5: Solve for x
x = 5,335,819,697.09/83,841.24 - Step 6: Final answer
x = 63,641.95
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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.