Finding the Fourth Proportional to 84,816.84, 116,970.84 and 52,988.88
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Solution
The fourth proportional to 84,816.84, 116,970.84 and 52,988.88 is: 73,076.92
Step by Step Solution
- Step 1: Write the proportion equation
84,816.84 : 116,970.84 = 52,988.88 : x - Step 2: Convert to fraction form
84,816.84/116,970.84 = 52,988.88/x - Step 3: Cross multiply
84,816.84x = 116,970.84 × 52,988.88 - Step 4: Simplify right side
84,816.84x = 6,198,153,804.26 - Step 5: Solve for x
x = 6,198,153,804.26/84,816.84 - Step 6: Final answer
x = 73,076.92
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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.