Finding the Fourth Proportional to 75,974.95, 104,849.09 and 45,769.75
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Solution
The fourth proportional to 75,974.95, 104,849.09 and 45,769.75 is: 63,164.46
Step by Step Solution
- Step 1: Write the proportion equation
75,974.95 : 104,849.09 = 45,769.75 : x - Step 2: Convert to fraction form
75,974.95/104,849.09 = 45,769.75/x - Step 3: Cross multiply
75,974.95x = 104,849.09 × 45,769.75 - Step 4: Simplify right side
75,974.95x = 4,798,916,637.03 - Step 5: Solve for x
x = 4,798,916,637.03/75,974.95 - Step 6: Final answer
x = 63,164.46
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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.