Finding the Fourth Proportional to 83,420.11, 125,142.71 and 24,248.09
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Solution
The fourth proportional to 83,420.11, 125,142.71 and 24,248.09 is: 36,375.78
Step by Step Solution
- Step 1: Write the proportion equation
83,420.11 : 125,142.71 = 24,248.09 : x - Step 2: Convert to fraction form
83,420.11/125,142.71 = 24,248.09/x - Step 3: Cross multiply
83,420.11x = 125,142.71 × 24,248.09 - Step 4: Simplify right side
83,420.11x = 3,034,471,886.54 - Step 5: Solve for x
x = 3,034,471,886.54/83,420.11 - Step 6: Final answer
x = 36,375.78
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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.