Finding the Fourth Proportional to 84,461.61, 116,555.20 and 46,220.99
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Solution
The fourth proportional to 84,461.61, 116,555.20 and 46,220.99 is: 63,783.97
Step by Step Solution
- Step 1: Write the proportion equation
84,461.61 : 116,555.20 = 46,220.99 : x - Step 2: Convert to fraction form
84,461.61/116,555.20 = 46,220.99/x - Step 3: Cross multiply
84,461.61x = 116,555.20 × 46,220.99 - Step 4: Simplify right side
84,461.61x = 5,387,296,909.48 - Step 5: Solve for x
x = 5,387,296,909.48/84,461.61 - Step 6: Final answer
x = 63,783.97
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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.