Finding the Fourth Proportional to 75,470.96, 113,226.86 and 25,551.05
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Solution
The fourth proportional to 75,470.96, 113,226.86 and 25,551.05 is: 38,333.49
Step by Step Solution
- Step 1: Write the proportion equation
75,470.96 : 113,226.86 = 25,551.05 : x - Step 2: Convert to fraction form
75,470.96/113,226.86 = 25,551.05/x - Step 3: Cross multiply
75,470.96x = 113,226.86 × 25,551.05 - Step 4: Simplify right side
75,470.96x = 2,893,065,033.45 - Step 5: Solve for x
x = 2,893,065,033.45/75,470.96 - Step 6: Final answer
x = 38,333.49
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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.