Finding the Fourth Proportional to 74,271.99, 102,535.17 and 57,363.75
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Solution
The fourth proportional to 74,271.99, 102,535.17 and 57,363.75 is: 79,192.73
Step by Step Solution
- Step 1: Write the proportion equation
74,271.99 : 102,535.17 = 57,363.75 : x - Step 2: Convert to fraction form
74,271.99/102,535.17 = 57,363.75/x - Step 3: Cross multiply
74,271.99x = 102,535.17 × 57,363.75 - Step 4: Simplify right side
74,271.99x = 5,881,801,858.09 - Step 5: Solve for x
x = 5,881,801,858.09/74,271.99 - Step 6: Final answer
x = 79,192.73
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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.