Finding the Fourth Proportional to 83,421.76, 125,142.35 and 27,266.08
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Solution
The fourth proportional to 83,421.76, 125,142.35 and 27,266.08 is: 40,902.29
Step by Step Solution
- Step 1: Write the proportion equation
83,421.76 : 125,142.35 = 27,266.08 : x - Step 2: Convert to fraction form
83,421.76/125,142.35 = 27,266.08/x - Step 3: Cross multiply
83,421.76x = 125,142.35 × 27,266.08 - Step 4: Simplify right side
83,421.76x = 3,412,140,768.94 - Step 5: Solve for x
x = 3,412,140,768.94/83,421.76 - Step 6: Final answer
x = 40,902.29
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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.