Finding the Fourth Proportional to 84,230.76, 126,422.62 and 44,820.84
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Solution
The fourth proportional to 84,230.76, 126,422.62 and 44,820.84 is: 67,271.96
Step by Step Solution
- Step 1: Write the proportion equation
84,230.76 : 126,422.62 = 44,820.84 : x - Step 2: Convert to fraction form
84,230.76/126,422.62 = 44,820.84/x - Step 3: Cross multiply
84,230.76x = 126,422.62 × 44,820.84 - Step 4: Simplify right side
84,230.76x = 5,666,368,023.40 - Step 5: Solve for x
x = 5,666,368,023.40/84,230.76 - Step 6: Final answer
x = 67,271.96
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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.