Finding the Fourth Proportional to 74,183.70, 102,317.67 and 51,522.74
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Solution
The fourth proportional to 74,183.70, 102,317.67 and 51,522.74 is: 71,062.59
Step by Step Solution
- Step 1: Write the proportion equation
74,183.70 : 102,317.67 = 51,522.74 : x - Step 2: Convert to fraction form
74,183.70/102,317.67 = 51,522.74/x - Step 3: Cross multiply
74,183.70x = 102,317.67 × 51,522.74 - Step 4: Simplify right side
74,183.70x = 5,271,686,197.23 - Step 5: Solve for x
x = 5,271,686,197.23/74,183.70 - Step 6: Final answer
x = 71,062.59
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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.