Finding the Fourth Proportional to 83,101.60, 124,624.14 and 26,926.48
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Solution
The fourth proportional to 83,101.60, 124,624.14 and 26,926.48 is: 40,380.56
Step by Step Solution
- Step 1: Write the proportion equation
83,101.60 : 124,624.14 = 26,926.48 : x - Step 2: Convert to fraction form
83,101.60/124,624.14 = 26,926.48/x - Step 3: Cross multiply
83,101.60x = 124,624.14 × 26,926.48 - Step 4: Simplify right side
83,101.60x = 3,355,689,413.23 - Step 5: Solve for x
x = 3,355,689,413.23/83,101.60 - Step 6: Final answer
x = 40,380.56
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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.