Finding the Fourth Proportional to 87,328.29, 130,882.84 and 37,349.63
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Solution
The fourth proportional to 87,328.29, 130,882.84 and 37,349.63 is: 55,977.56
Step by Step Solution
- Step 1: Write the proportion equation
87,328.29 : 130,882.84 = 37,349.63 : x - Step 2: Convert to fraction form
87,328.29/130,882.84 = 37,349.63/x - Step 3: Cross multiply
87,328.29x = 130,882.84 × 37,349.63 - Step 4: Simplify right side
87,328.29x = 4,888,424,899.56 - Step 5: Solve for x
x = 4,888,424,899.56/87,328.29 - Step 6: Final answer
x = 55,977.56
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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.