Finding the Fourth Proportional to 86,315.48, 119,114.99 and 48,075.48
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Solution
The fourth proportional to 86,315.48, 119,114.99 and 48,075.48 is: 66,343.95
Step by Step Solution
- Step 1: Write the proportion equation
86,315.48 : 119,114.99 = 48,075.48 : x - Step 2: Convert to fraction form
86,315.48/119,114.99 = 48,075.48/x - Step 3: Cross multiply
86,315.48x = 119,114.99 × 48,075.48 - Step 4: Simplify right side
86,315.48x = 5,726,510,036.01 - Step 5: Solve for x
x = 5,726,510,036.01/86,315.48 - Step 6: Final answer
x = 66,343.95
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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.