Finding the Fourth Proportional to 125,774.84, 173,593.92 and 72,095.80
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Solution
The fourth proportional to 125,774.84, 173,593.92 and 72,095.80 is: 99,506.33
Step by Step Solution
- Step 1: Write the proportion equation
125,774.84 : 173,593.92 = 72,095.80 : x - Step 2: Convert to fraction form
125,774.84/173,593.92 = 72,095.80/x - Step 3: Cross multiply
125,774.84x = 173,593.92 × 72,095.80 - Step 4: Simplify right side
125,774.84x = 12,515,392,537.54 - Step 5: Solve for x
x = 12,515,392,537.54/125,774.84 - Step 6: Final answer
x = 99,506.33
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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.