Finding the Fourth Proportional to 125,679.68, 173,418.61 and 74,673.53
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Solution
The fourth proportional to 125,679.68, 173,418.61 and 74,673.53 is: 103,037.98
Step by Step Solution
- Step 1: Write the proportion equation
125,679.68 : 173,418.61 = 74,673.53 : x - Step 2: Convert to fraction form
125,679.68/173,418.61 = 74,673.53/x - Step 3: Cross multiply
125,679.68x = 173,418.61 × 74,673.53 - Step 4: Simplify right side
125,679.68x = 12,949,779,776.39 - Step 5: Solve for x
x = 12,949,779,776.39/125,679.68 - Step 6: Final answer
x = 103,037.98
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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.