Finding the Fourth Proportional to 83,968.04, 125,937.02 and 36,556.62
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Solution
The fourth proportional to 83,968.04, 125,937.02 and 36,556.62 is: 54,828.38
Step by Step Solution
- Step 1: Write the proportion equation
83,968.04 : 125,937.02 = 36,556.62 : x - Step 2: Convert to fraction form
83,968.04/125,937.02 = 36,556.62/x - Step 3: Cross multiply
83,968.04x = 125,937.02 × 36,556.62 - Step 4: Simplify right side
83,968.04x = 4,603,831,784.07 - Step 5: Solve for x
x = 4,603,831,784.07/83,968.04 - Step 6: Final answer
x = 54,828.38
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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.