Finding the Fourth Proportional to 75,094.38, 103,588.74 and 48,240.87
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Solution
The fourth proportional to 75,094.38, 103,588.74 and 48,240.87 is: 66,545.74
Step by Step Solution
- Step 1: Write the proportion equation
75,094.38 : 103,588.74 = 48,240.87 : x - Step 2: Convert to fraction form
75,094.38/103,588.74 = 48,240.87/x - Step 3: Cross multiply
75,094.38x = 103,588.74 × 48,240.87 - Step 4: Simplify right side
75,094.38x = 4,997,210,939.80 - Step 5: Solve for x
x = 4,997,210,939.80/75,094.38 - Step 6: Final answer
x = 66,545.74
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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.