Finding the Fourth Proportional to 89,790.66, 134,725.14 and 48,189.06
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Solution
The fourth proportional to 89,790.66, 134,725.14 and 48,189.06 is: 72,304.60
Step by Step Solution
- Step 1: Write the proportion equation
89,790.66 : 134,725.14 = 48,189.06 : x - Step 2: Convert to fraction form
89,790.66/134,725.14 = 48,189.06/x - Step 3: Cross multiply
89,790.66x = 134,725.14 × 48,189.06 - Step 4: Simplify right side
89,790.66x = 6,492,277,854.97 - Step 5: Solve for x
x = 6,492,277,854.97/89,790.66 - Step 6: Final answer
x = 72,304.60
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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.