Finding the Fourth Proportional to 79,811.19, 110,140.16 and 44,002.49
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Solution
The fourth proportional to 79,811.19, 110,140.16 and 44,002.49 is: 60,723.82
Step by Step Solution
- Step 1: Write the proportion equation
79,811.19 : 110,140.16 = 44,002.49 : x - Step 2: Convert to fraction form
79,811.19/110,140.16 = 44,002.49/x - Step 3: Cross multiply
79,811.19x = 110,140.16 × 44,002.49 - Step 4: Simplify right side
79,811.19x = 4,846,440,518.29 - Step 5: Solve for x
x = 4,846,440,518.29/79,811.19 - Step 6: Final answer
x = 60,723.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.