Finding the Fourth Proportional to 96,120.76, 132,657.84 and 79,959.52
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Solution
The fourth proportional to 96,120.76, 132,657.84 and 79,959.52 is: 110,353.45
Step by Step Solution
- Step 1: Write the proportion equation
96,120.76 : 132,657.84 = 79,959.52 : x - Step 2: Convert to fraction form
96,120.76/132,657.84 = 79,959.52/x - Step 3: Cross multiply
96,120.76x = 132,657.84 × 79,959.52 - Step 4: Simplify right side
96,120.76x = 10,607,257,210.64 - Step 5: Solve for x
x = 10,607,257,210.64/96,120.76 - Step 6: Final answer
x = 110,353.45
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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.