Finding the Fourth Proportional to 80,070.99, 120,065.62 and 26,743.76
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Solution
The fourth proportional to 80,070.99, 120,065.62 and 26,743.76 is: 40,101.99
Step by Step Solution
- Step 1: Write the proportion equation
80,070.99 : 120,065.62 = 26,743.76 : x - Step 2: Convert to fraction form
80,070.99/120,065.62 = 26,743.76/x - Step 3: Cross multiply
80,070.99x = 120,065.62 × 26,743.76 - Step 4: Simplify right side
80,070.99x = 3,211,006,125.53 - Step 5: Solve for x
x = 3,211,006,125.53/80,070.99 - Step 6: Final answer
x = 40,101.99
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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.