Finding the Fourth Proportional to 75,627.70, 113,441.55 and 63,963.70
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Solution
The fourth proportional to 75,627.70, 113,441.55 and 63,963.70 is: 95,945.55
Step by Step Solution
- Step 1: Write the proportion equation
75,627.70 : 113,441.55 = 63,963.70 : x - Step 2: Convert to fraction form
75,627.70/113,441.55 = 63,963.70/x - Step 3: Cross multiply
75,627.70x = 113,441.55 × 63,963.70 - Step 4: Simplify right side
75,627.70x = 7,256,141,271.74 - Step 5: Solve for x
x = 7,256,141,271.74/75,627.70 - Step 6: Final answer
x = 95,945.55
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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.