Finding the Fourth Proportional to 74,564.20, 102,847.08 and 62,265.70
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Solution
The fourth proportional to 74,564.20, 102,847.08 and 62,265.70 is: 85,883.65
Step by Step Solution
- Step 1: Write the proportion equation
74,564.20 : 102,847.08 = 62,265.70 : x - Step 2: Convert to fraction form
74,564.20/102,847.08 = 62,265.70/x - Step 3: Cross multiply
74,564.20x = 102,847.08 × 62,265.70 - Step 4: Simplify right side
74,564.20x = 6,403,845,429.16 - Step 5: Solve for x
x = 6,403,845,429.16/74,564.20 - Step 6: Final answer
x = 85,883.65
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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.