Finding the Fourth Proportional to 125,077.18, 187,616.94 and 31,582.84
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Solution
The fourth proportional to 125,077.18, 187,616.94 and 31,582.84 is: 47,374.56
Step by Step Solution
- Step 1: Write the proportion equation
125,077.18 : 187,616.94 = 31,582.84 : x - Step 2: Convert to fraction form
125,077.18/187,616.94 = 31,582.84/x - Step 3: Cross multiply
125,077.18x = 187,616.94 × 31,582.84 - Step 4: Simplify right side
125,077.18x = 5,925,475,797.31 - Step 5: Solve for x
x = 5,925,475,797.31/125,077.18 - Step 6: Final answer
x = 47,374.56
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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.