Finding the Fourth Proportional to 80,459.11, 111,030.21 and 44,646.99
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Solution
The fourth proportional to 80,459.11, 111,030.21 and 44,646.99 is: 61,610.98
Step by Step Solution
- Step 1: Write the proportion equation
80,459.11 : 111,030.21 = 44,646.99 : x - Step 2: Convert to fraction form
80,459.11/111,030.21 = 44,646.99/x - Step 3: Cross multiply
80,459.11x = 111,030.21 × 44,646.99 - Step 4: Simplify right side
80,459.11x = 4,957,164,675.57 - Step 5: Solve for x
x = 4,957,164,675.57/80,459.11 - Step 6: Final answer
x = 61,610.98
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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.