Finding the Fourth Proportional to 75,645.80, 113,468.70 and 75,645.80
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Solution
The fourth proportional to 75,645.80, 113,468.70 and 75,645.80 is: 113,468.70
Step by Step Solution
- Step 1: Write the proportion equation
75,645.80 : 113,468.70 = 75,645.80 : x - Step 2: Convert to fraction form
75,645.80/113,468.70 = 75,645.80/x - Step 3: Cross multiply
75,645.80x = 113,468.70 × 75,645.80 - Step 4: Simplify right side
75,645.80x = 8,583,430,586.46 - Step 5: Solve for x
x = 8,583,430,586.46/75,645.80 - Step 6: Final answer
x = 113,468.70
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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.