Finding the Fourth Proportional to 74,621.00, 102,974.60 and 44,399.40
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Solution
The fourth proportional to 74,621.00, 102,974.60 and 44,399.40 is: 61,269.76
Step by Step Solution
- Step 1: Write the proportion equation
74,621.00 : 102,974.60 = 44,399.40 : x - Step 2: Convert to fraction form
74,621.00/102,974.60 = 44,399.40/x - Step 3: Cross multiply
74,621.00x = 102,974.60 × 44,399.40 - Step 4: Simplify right side
74,621.00x = 4,572,010,233.24 - Step 5: Solve for x
x = 4,572,010,233.24/74,621.00 - Step 6: Final answer
x = 61,269.76
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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.