Finding the Fourth Proportional to 77,001.11, 115,259.69 and 48,952.84
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Solution
The fourth proportional to 77,001.11, 115,259.69 and 48,952.84 is: 73,275.43
Step by Step Solution
- Step 1: Write the proportion equation
77,001.11 : 115,259.69 = 48,952.84 : x - Step 2: Convert to fraction form
77,001.11/115,259.69 = 48,952.84/x - Step 3: Cross multiply
77,001.11x = 115,259.69 × 48,952.84 - Step 4: Simplify right side
77,001.11x = 5,642,289,163.02 - Step 5: Solve for x
x = 5,642,289,163.02/77,001.11 - Step 6: Final answer
x = 73,275.43
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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.