Finding the Fourth Proportional to 86,754.08, 130,119.60 and 24,429.44
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Solution
The fourth proportional to 86,754.08, 130,119.60 and 24,429.44 is: 36,640.92
Step by Step Solution
- Step 1: Write the proportion equation
86,754.08 : 130,119.60 = 24,429.44 : x - Step 2: Convert to fraction form
86,754.08/130,119.60 = 24,429.44/x - Step 3: Cross multiply
86,754.08x = 130,119.60 × 24,429.44 - Step 4: Simplify right side
86,754.08x = 3,178,748,961.02 - Step 5: Solve for x
x = 3,178,748,961.02/86,754.08 - Step 6: Final answer
x = 36,640.92
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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.