Finding the Fourth Proportional to 106,541.93, 147,026.58 and 58,794.23
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Solution
The fourth proportional to 106,541.93, 147,026.58 and 58,794.23 is: 81,135.33
Step by Step Solution
- Step 1: Write the proportion equation
106,541.93 : 147,026.58 = 58,794.23 : x - Step 2: Convert to fraction form
106,541.93/147,026.58 = 58,794.23/x - Step 3: Cross multiply
106,541.93x = 147,026.58 × 58,794.23 - Step 4: Simplify right side
106,541.93x = 8,644,314,560.63 - Step 5: Solve for x
x = 8,644,314,560.63/106,541.93 - Step 6: Final answer
x = 81,135.33
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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.