Finding the Fourth Proportional to 76,656.80, 114,916.80 and 29,898.80
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Solution
The fourth proportional to 76,656.80, 114,916.80 and 29,898.80 is: 44,821.52
Step by Step Solution
- Step 1: Write the proportion equation
76,656.80 : 114,916.80 = 29,898.80 : x - Step 2: Convert to fraction form
76,656.80/114,916.80 = 29,898.80/x - Step 3: Cross multiply
76,656.80x = 114,916.80 × 29,898.80 - Step 4: Simplify right side
76,656.80x = 3,435,874,419.84 - Step 5: Solve for x
x = 3,435,874,419.84/76,656.80 - Step 6: Final answer
x = 44,821.52
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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.