Finding the Fourth Proportional to 88,600.79, 132,903.63 and 28,631.84
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Solution
The fourth proportional to 88,600.79, 132,903.63 and 28,631.84 is: 42,948.54
Step by Step Solution
- Step 1: Write the proportion equation
88,600.79 : 132,903.63 = 28,631.84 : x - Step 2: Convert to fraction form
88,600.79/132,903.63 = 28,631.84/x - Step 3: Cross multiply
88,600.79x = 132,903.63 × 28,631.84 - Step 4: Simplify right side
88,600.79x = 3,805,274,805.06 - Step 5: Solve for x
x = 3,805,274,805.06/88,600.79 - Step 6: Final answer
x = 42,948.54
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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.