Finding the Fourth Proportional to 92,283.71, 138,440.14 and 29,939.63
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Solution
The fourth proportional to 92,283.71, 138,440.14 and 29,939.63 is: 44,914.17
Step by Step Solution
- Step 1: Write the proportion equation
92,283.71 : 138,440.14 = 29,939.63 : x - Step 2: Convert to fraction form
92,283.71/138,440.14 = 29,939.63/x - Step 3: Cross multiply
92,283.71x = 138,440.14 × 29,939.63 - Step 4: Simplify right side
92,283.71x = 4,144,845,801.70 - Step 5: Solve for x
x = 4,144,845,801.70/92,283.71 - Step 6: Final answer
x = 44,914.17
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1.5x scale
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.