Finding the Fourth Proportional to 69,968.34, 104,918.49 and 25,564.95
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Solution
The fourth proportional to 69,968.34, 104,918.49 and 25,564.95 is: 38,334.99
Step by Step Solution
- Step 1: Write the proportion equation
69,968.34 : 104,918.49 = 25,564.95 : x - Step 2: Convert to fraction form
69,968.34/104,918.49 = 25,564.95/x - Step 3: Cross multiply
69,968.34x = 104,918.49 × 25,564.95 - Step 4: Simplify right side
69,968.34x = 2,682,235,950.93 - Step 5: Solve for x
x = 2,682,235,950.93/69,968.34 - Step 6: Final answer
x = 38,334.99
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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.