Finding the Fourth Proportional to 84,829.52, 117,038.49 and 49,006.46
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Solution
The fourth proportional to 84,829.52, 117,038.49 and 49,006.46 is: 67,613.75
Step by Step Solution
- Step 1: Write the proportion equation
84,829.52 : 117,038.49 = 49,006.46 : x - Step 2: Convert to fraction form
84,829.52/117,038.49 = 49,006.46/x - Step 3: Cross multiply
84,829.52x = 117,038.49 × 49,006.46 - Step 4: Simplify right side
84,829.52x = 5,735,641,493.45 - Step 5: Solve for x
x = 5,735,641,493.45/84,829.52 - Step 6: Final answer
x = 67,613.75
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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.