Finding the Fourth Proportional to 74,700.26, 103,083.35 and 40,708.02
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Solution
The fourth proportional to 74,700.26, 103,083.35 and 40,708.02 is: 56,175.43
Step by Step Solution
- Step 1: Write the proportion equation
74,700.26 : 103,083.35 = 40,708.02 : x - Step 2: Convert to fraction form
74,700.26/103,083.35 = 40,708.02/x - Step 3: Cross multiply
74,700.26x = 103,083.35 × 40,708.02 - Step 4: Simplify right side
74,700.26x = 4,196,318,917.53 - Step 5: Solve for x
x = 4,196,318,917.53/74,700.26 - Step 6: Final answer
x = 56,175.43
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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.