Finding the Fourth Proportional to 87,137.06, 130,710.44 and 24,802.70
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Solution
The fourth proportional to 87,137.06, 130,710.44 and 24,802.70 is: 37,205.42
Step by Step Solution
- Step 1: Write the proportion equation
87,137.06 : 130,710.44 = 24,802.70 : x - Step 2: Convert to fraction form
87,137.06/130,710.44 = 24,802.70/x - Step 3: Cross multiply
87,137.06x = 130,710.44 × 24,802.70 - Step 4: Simplify right side
87,137.06x = 3,241,971,052.62 - Step 5: Solve for x
x = 3,241,971,052.62/87,137.06 - Step 6: Final answer
x = 37,205.42
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1.5x scale
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.