Finding the Fourth Proportional to 125,693.37, 173,453.40 and 71,973.77
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Solution
The fourth proportional to 125,693.37, 173,453.40 and 71,973.77 is: 99,321.82
Step by Step Solution
- Step 1: Write the proportion equation
125,693.37 : 173,453.40 = 71,973.77 : x - Step 2: Convert to fraction form
125,693.37/173,453.40 = 71,973.77/x - Step 3: Cross multiply
125,693.37x = 173,453.40 × 71,973.77 - Step 4: Simplify right side
125,693.37x = 12,484,094,250.05 - Step 5: Solve for x
x = 12,484,094,250.05/125,693.37 - Step 6: Final answer
x = 99,321.82
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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.