Finding the Fourth Proportional to 69,006.16, 103,509.24 and 44,537.68
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Solution
The fourth proportional to 69,006.16, 103,509.24 and 44,537.68 is: 66,806.52
Step by Step Solution
- Step 1: Write the proportion equation
69,006.16 : 103,509.24 = 44,537.68 : x - Step 2: Convert to fraction form
69,006.16/103,509.24 = 44,537.68/x - Step 3: Cross multiply
69,006.16x = 103,509.24 × 44,537.68 - Step 4: Simplify right side
69,006.16x = 4,610,061,408.16 - Step 5: Solve for x
x = 4,610,061,408.16/69,006.16 - Step 6: Final answer
x = 66,806.52
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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.