Finding the Fourth Proportional to 125,032.68, 172,545.39 and 68,447.70
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Solution
The fourth proportional to 125,032.68, 172,545.39 and 68,447.70 is: 94,457.99
Step by Step Solution
- Step 1: Write the proportion equation
125,032.68 : 172,545.39 = 68,447.70 : x - Step 2: Convert to fraction form
125,032.68/172,545.39 = 68,447.70/x - Step 3: Cross multiply
125,032.68x = 172,545.39 × 68,447.70 - Step 4: Simplify right side
125,032.68x = 11,810,335,091.10 - Step 5: Solve for x
x = 11,810,335,091.10/125,032.68 - Step 6: Final answer
x = 94,457.99
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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.