Finding the Fourth Proportional to 92,865.33, 139,276.17 and 29,691.09
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Solution
The fourth proportional to 92,865.33, 139,276.17 and 29,691.09 is: 44,529.66
Step by Step Solution
- Step 1: Write the proportion equation
92,865.33 : 139,276.17 = 29,691.09 : x - Step 2: Convert to fraction form
92,865.33/139,276.17 = 29,691.09/x - Step 3: Cross multiply
92,865.33x = 139,276.17 × 29,691.09 - Step 4: Simplify right side
92,865.33x = 4,135,261,298.33 - Step 5: Solve for x
x = 4,135,261,298.33/92,865.33 - Step 6: Final answer
x = 44,529.66
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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.