Finding the Fourth Proportional to 125,250.76, 187,879.50 and 31,763.80
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Solution
The fourth proportional to 125,250.76, 187,879.50 and 31,763.80 is: 47,646.55
Step by Step Solution
- Step 1: Write the proportion equation
125,250.76 : 187,879.50 = 31,763.80 : x - Step 2: Convert to fraction form
125,250.76/187,879.50 = 31,763.80/x - Step 3: Cross multiply
125,250.76x = 187,879.50 × 31,763.80 - Step 4: Simplify right side
125,250.76x = 5,967,766,862.10 - Step 5: Solve for x
x = 5,967,766,862.10/125,250.76 - Step 6: Final answer
x = 47,646.55
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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.