Finding the Fourth Proportional to 75,622.68, 104,247.41 and 48,395.75
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Solution
The fourth proportional to 75,622.68, 104,247.41 and 48,395.75 is: 66,714.52
Step by Step Solution
- Step 1: Write the proportion equation
75,622.68 : 104,247.41 = 48,395.75 : x - Step 2: Convert to fraction form
75,622.68/104,247.41 = 48,395.75/x - Step 3: Cross multiply
75,622.68x = 104,247.41 × 48,395.75 - Step 4: Simplify right side
75,622.68x = 5,045,130,829.29 - Step 5: Solve for x
x = 5,045,130,829.29/75,622.68 - Step 6: Final answer
x = 66,714.52
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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.