Finding the Fourth Proportional to 83,852.84, 125,787.47 and 31,250.03
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Solution
The fourth proportional to 83,852.84, 125,787.47 and 31,250.03 is: 46,878.09
Step by Step Solution
- Step 1: Write the proportion equation
83,852.84 : 125,787.47 = 31,250.03 : x - Step 2: Convert to fraction form
83,852.84/125,787.47 = 31,250.03/x - Step 3: Cross multiply
83,852.84x = 125,787.47 × 31,250.03 - Step 4: Simplify right side
83,852.84x = 3,930,861,425.94 - Step 5: Solve for x
x = 3,930,861,425.94/83,852.84 - Step 6: Final answer
x = 46,878.09
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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.