Finding the Fourth Proportional to 75,972.95, 104,846.33 and 45,767.75
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Solution
The fourth proportional to 75,972.95, 104,846.33 and 45,767.75 is: 63,161.69
Step by Step Solution
- Step 1: Write the proportion equation
75,972.95 : 104,846.33 = 45,767.75 : x - Step 2: Convert to fraction form
75,972.95/104,846.33 = 45,767.75/x - Step 3: Cross multiply
75,972.95x = 104,846.33 × 45,767.75 - Step 4: Simplify right side
75,972.95x = 4,798,580,210.05 - Step 5: Solve for x
x = 4,798,580,210.05/75,972.95 - Step 6: Final answer
x = 63,161.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.