Finding the Fourth Proportional to 96,660.77, 133,088.74 and 87,803.42
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Solution
The fourth proportional to 96,660.77, 133,088.74 and 87,803.42 is: 120,893.37
Step by Step Solution
- Step 1: Write the proportion equation
96,660.77 : 133,088.74 = 87,803.42 : x - Step 2: Convert to fraction form
96,660.77/133,088.74 = 87,803.42/x - Step 3: Cross multiply
96,660.77x = 133,088.74 × 87,803.42 - Step 4: Simplify right side
96,660.77x = 11,685,645,650.54 - Step 5: Solve for x
x = 11,685,645,650.54/96,660.77 - Step 6: Final answer
x = 120,893.37
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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.