Finding the Fourth Proportional to 73,935.93, 110,913.10 and 28,951.48
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Solution
The fourth proportional to 73,935.93, 110,913.10 and 28,951.48 is: 43,430.82
Step by Step Solution
- Step 1: Write the proportion equation
73,935.93 : 110,913.10 = 28,951.48 : x - Step 2: Convert to fraction form
73,935.93/110,913.10 = 28,951.48/x - Step 3: Cross multiply
73,935.93x = 110,913.10 × 28,951.48 - Step 4: Simplify right side
73,935.93x = 3,211,098,396.39 - Step 5: Solve for x
x = 3,211,098,396.39/73,935.93 - Step 6: Final answer
x = 43,430.82
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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.