Finding the Fourth Proportional to 80,412.13, 110,966.11 and 48,575.49
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Solution
The fourth proportional to 80,412.13, 110,966.11 and 48,575.49 is: 67,032.59
Step by Step Solution
- Step 1: Write the proportion equation
80,412.13 : 110,966.11 = 48,575.49 : x - Step 2: Convert to fraction form
80,412.13/110,966.11 = 48,575.49/x - Step 3: Cross multiply
80,412.13x = 110,966.11 × 48,575.49 - Step 4: Simplify right side
80,412.13x = 5,390,233,166.64 - Step 5: Solve for x
x = 5,390,233,166.64/80,412.13 - Step 6: Final answer
x = 67,032.59
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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.