Finding the Fourth Proportional to 80,130.10, 110,580.51 and 44,319.19
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Solution
The fourth proportional to 80,130.10, 110,580.51 and 44,319.19 is: 61,161.02
Step by Step Solution
- Step 1: Write the proportion equation
80,130.10 : 110,580.51 = 44,319.19 : x - Step 2: Convert to fraction form
80,130.10/110,580.51 = 44,319.19/x - Step 3: Cross multiply
80,130.10x = 110,580.51 × 44,319.19 - Step 4: Simplify right side
80,130.10x = 4,900,838,632.99 - Step 5: Solve for x
x = 4,900,838,632.99/80,130.10 - Step 6: Final answer
x = 61,161.02
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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.