Finding the Fourth Proportional to 88,367.76, 132,560.88 and 28,381.08
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Solution
The fourth proportional to 88,367.76, 132,560.88 and 28,381.08 is: 42,574.59
Step by Step Solution
- Step 1: Write the proportion equation
88,367.76 : 132,560.88 = 28,381.08 : x - Step 2: Convert to fraction form
88,367.76/132,560.88 = 28,381.08/x - Step 3: Cross multiply
88,367.76x = 132,560.88 × 28,381.08 - Step 4: Simplify right side
88,367.76x = 3,762,220,940.15 - Step 5: Solve for x
x = 3,762,220,940.15/88,367.76 - Step 6: Final answer
x = 42,574.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.