Finding the Fourth Proportional to 104,959.23, 157,505.14 and 55,075.13
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Solution
The fourth proportional to 104,959.23, 157,505.14 and 55,075.13 is: 82,647.48
Step by Step Solution
- Step 1: Write the proportion equation
104,959.23 : 157,505.14 = 55,075.13 : x - Step 2: Convert to fraction form
104,959.23/157,505.14 = 55,075.13/x - Step 3: Cross multiply
104,959.23x = 157,505.14 × 55,075.13 - Step 4: Simplify right side
104,959.23x = 8,674,616,061.17 - Step 5: Solve for x
x = 8,674,616,061.17/104,959.23 - Step 6: Final answer
x = 82,647.48
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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.