Finding the Fourth Proportional to 83,480.08, 125,216.88 and 33,545.20
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Solution
The fourth proportional to 83,480.08, 125,216.88 and 33,545.20 is: 50,316.50
Step by Step Solution
- Step 1: Write the proportion equation
83,480.08 : 125,216.88 = 33,545.20 : x - Step 2: Convert to fraction form
83,480.08/125,216.88 = 33,545.20/x - Step 3: Cross multiply
83,480.08x = 125,216.88 × 33,545.20 - Step 4: Simplify right side
83,480.08x = 4,200,425,282.98 - Step 5: Solve for x
x = 4,200,425,282.98/83,480.08 - Step 6: Final answer
x = 50,316.50
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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.