Finding the Fourth Proportional to 112,359.19, 155,056.49 and 62,058.19
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Solution
The fourth proportional to 112,359.19, 155,056.49 and 62,058.19 is: 85,640.75
Step by Step Solution
- Step 1: Write the proportion equation
112,359.19 : 155,056.49 = 62,058.19 : x - Step 2: Convert to fraction form
112,359.19/155,056.49 = 62,058.19/x - Step 3: Cross multiply
112,359.19x = 155,056.49 × 62,058.19 - Step 4: Simplify right side
112,359.19x = 9,622,525,117.15 - Step 5: Solve for x
x = 9,622,525,117.15/112,359.19 - Step 6: Final answer
x = 85,640.75
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1.5x scale
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.