Finding the Fourth Proportional to 87,088.96, 130,621.16 and 27,916.96
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Solution
The fourth proportional to 87,088.96, 130,621.16 and 27,916.96 is: 41,871.50
Step by Step Solution
- Step 1: Write the proportion equation
87,088.96 : 130,621.16 = 27,916.96 : x - Step 2: Convert to fraction form
87,088.96/130,621.16 = 27,916.96/x - Step 3: Cross multiply
87,088.96x = 130,621.16 × 27,916.96 - Step 4: Simplify right side
87,088.96x = 3,646,545,698.87 - Step 5: Solve for x
x = 3,646,545,698.87/87,088.96 - Step 6: Final answer
x = 41,871.50
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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.