Finding the Fourth Proportional to 73,825.67, 101,921.55 and 48,748.07
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Solution
The fourth proportional to 73,825.67, 101,921.55 and 48,748.07 is: 67,300.15
Step by Step Solution
- Step 1: Write the proportion equation
73,825.67 : 101,921.55 = 48,748.07 : x - Step 2: Convert to fraction form
73,825.67/101,921.55 = 48,748.07/x - Step 3: Cross multiply
73,825.67x = 101,921.55 × 48,748.07 - Step 4: Simplify right side
73,825.67x = 4,968,478,853.91 - Step 5: Solve for x
x = 4,968,478,853.91/73,825.67 - Step 6: Final answer
x = 67,300.15
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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.