Finding the Fourth Proportional to 125,573.09, 173,320.36 and 71,888.92
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Solution
The fourth proportional to 125,573.09, 173,320.36 and 71,888.92 is: 99,223.59
Step by Step Solution
- Step 1: Write the proportion equation
125,573.09 : 173,320.36 = 71,888.92 : x - Step 2: Convert to fraction form
125,573.09/173,320.36 = 71,888.92/x - Step 3: Cross multiply
125,573.09x = 173,320.36 × 71,888.92 - Step 4: Simplify right side
125,573.09x = 12,459,812,881.39 - Step 5: Solve for x
x = 12,459,812,881.39/125,573.09 - Step 6: Final answer
x = 99,223.59
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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.