Finding the Fourth Proportional to 73,848.30, 110,711.70 and 31,760.70
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Solution
The fourth proportional to 73,848.30, 110,711.70 and 31,760.70 is: 47,614.92
Step by Step Solution
- Step 1: Write the proportion equation
73,848.30 : 110,711.70 = 31,760.70 : x - Step 2: Convert to fraction form
73,848.30/110,711.70 = 31,760.70/x - Step 3: Cross multiply
73,848.30x = 110,711.70 × 31,760.70 - Step 4: Simplify right side
73,848.30x = 3,516,281,090.19 - Step 5: Solve for x
x = 3,516,281,090.19/73,848.30 - Step 6: Final answer
x = 47,614.92
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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.