Finding the Fourth Proportional to 83,904.18, 125,853.30 and 36,519.18
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Solution
The fourth proportional to 83,904.18, 125,853.30 and 36,519.18 is: 54,777.48
Step by Step Solution
- Step 1: Write the proportion equation
83,904.18 : 125,853.30 = 36,519.18 : x - Step 2: Convert to fraction form
83,904.18/125,853.30 = 36,519.18/x - Step 3: Cross multiply
83,904.18x = 125,853.30 × 36,519.18 - Step 4: Simplify right side
83,904.18x = 4,596,059,316.29 - Step 5: Solve for x
x = 4,596,059,316.29/83,904.18 - Step 6: Final answer
x = 54,777.48
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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.