Finding the Fourth Proportional to 106,601.06, 147,109.77 and 58,853.99
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Solution
The fourth proportional to 106,601.06, 147,109.77 and 58,853.99 is: 81,218.68
Step by Step Solution
- Step 1: Write the proportion equation
106,601.06 : 147,109.77 = 58,853.99 : x - Step 2: Convert to fraction form
106,601.06/147,109.77 = 58,853.99/x - Step 3: Cross multiply
106,601.06x = 147,109.77 × 58,853.99 - Step 4: Simplify right side
106,601.06x = 8,657,997,300.26 - Step 5: Solve for x
x = 8,657,997,300.26/106,601.06 - Step 6: Final answer
x = 81,218.68
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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.