Finding the Fourth Proportional to 125,390.59, 173,039.00 and 71,676.76
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Solution
The fourth proportional to 125,390.59, 173,039.00 and 71,676.76 is: 98,913.92
Step by Step Solution
- Step 1: Write the proportion equation
125,390.59 : 173,039.00 = 71,676.76 : x - Step 2: Convert to fraction form
125,390.59/173,039.00 = 71,676.76/x - Step 3: Cross multiply
125,390.59x = 173,039.00 × 71,676.76 - Step 4: Simplify right side
125,390.59x = 12,402,874,620.23 - Step 5: Solve for x
x = 12,402,874,620.23/125,390.59 - Step 6: Final answer
x = 98,913.92
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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.