Finding the Fourth Proportional to 87,134.50, 130,701.74 and 24,805.00
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Solution
The fourth proportional to 87,134.50, 130,701.74 and 24,805.00 is: 37,207.50
Step by Step Solution
- Step 1: Write the proportion equation
87,134.50 : 130,701.74 = 24,805.00 : x - Step 2: Convert to fraction form
87,134.50/130,701.74 = 24,805.00/x - Step 3: Cross multiply
87,134.50x = 130,701.74 × 24,805.00 - Step 4: Simplify right side
87,134.50x = 3,242,056,700.05 - Step 5: Solve for x
x = 3,242,056,700.05/87,134.50 - Step 6: Final answer
x = 37,207.50
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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.