Finding the Fourth Proportional to 92,790.97, 128,044.50 and 54,552.08
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Solution
The fourth proportional to 92,790.97, 128,044.50 and 54,552.08 is: 75,277.74
Step by Step Solution
- Step 1: Write the proportion equation
92,790.97 : 128,044.50 = 54,552.08 : x - Step 2: Convert to fraction form
92,790.97/128,044.50 = 54,552.08/x - Step 3: Cross multiply
92,790.97x = 128,044.50 × 54,552.08 - Step 4: Simplify right side
92,790.97x = 6,985,093,923.10 - Step 5: Solve for x
x = 6,985,093,923.10/92,790.97 - Step 6: Final answer
x = 75,277.74
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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.