Finding the Fourth Proportional to 83,090.06, 124,651.52 and 30,500
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Solution
The fourth proportional to 83,090.06, 124,651.52 and 30,500 is: 45,756.03
Step by Step Solution
- Step 1: Write the proportion equation
83,090.06 : 124,651.52 = 30,500 : x - Step 2: Convert to fraction form
83,090.06/124,651.52 = 30,500/x - Step 3: Cross multiply
83,090.06x = 124,651.52 × 30,500 - Step 4: Simplify right side
83,090.06x = 3,801,871,360 - Step 5: Solve for x
x = 3,801,871,360/83,090.06 - Step 6: Final answer
x = 45,756.03
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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.