Finding the Fourth Proportional to 106,602.16, 147,110.04 and 58,854.49
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Solution
The fourth proportional to 106,602.16, 147,110.04 and 58,854.49 is: 81,218.68
Step by Step Solution
- Step 1: Write the proportion equation
106,602.16 : 147,110.04 = 58,854.49 : x - Step 2: Convert to fraction form
106,602.16/147,110.04 = 58,854.49/x - Step 3: Cross multiply
106,602.16x = 147,110.04 × 58,854.49 - Step 4: Simplify right side
106,602.16x = 8,658,086,378.08 - Step 5: Solve for x
x = 8,658,086,378.08/106,602.16 - 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.