Finding the Fourth Proportional to 77,108.24, 115,673.88 and 24,519.44
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Solution
The fourth proportional to 77,108.24, 115,673.88 and 24,519.44 is: 36,782.82
Step by Step Solution
- Step 1: Write the proportion equation
77,108.24 : 115,673.88 = 24,519.44 : x - Step 2: Convert to fraction form
77,108.24/115,673.88 = 24,519.44/x - Step 3: Cross multiply
77,108.24x = 115,673.88 × 24,519.44 - Step 4: Simplify right side
77,108.24x = 2,836,258,760.23 - Step 5: Solve for x
x = 2,836,258,760.23/77,108.24 - Step 6: Final answer
x = 36,782.82
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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.