Finding the Fourth Proportional to 76,823.99, 106,024.07 and 46,616.96
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Solution
The fourth proportional to 76,823.99, 106,024.07 and 46,616.96 is: 64,335.64
Step by Step Solution
- Step 1: Write the proportion equation
76,823.99 : 106,024.07 = 46,616.96 : x - Step 2: Convert to fraction form
76,823.99/106,024.07 = 46,616.96/x - Step 3: Cross multiply
76,823.99x = 106,024.07 × 46,616.96 - Step 4: Simplify right side
76,823.99x = 4,942,519,862.20 - Step 5: Solve for x
x = 4,942,519,862.20/76,823.99 - Step 6: Final answer
x = 64,335.64
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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.