Finding the Fourth Proportional to 75,160.18, 103,671.10 and 48,336.62
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Solution
The fourth proportional to 75,160.18, 103,671.10 and 48,336.62 is: 66,672.41
Step by Step Solution
- Step 1: Write the proportion equation
75,160.18 : 103,671.10 = 48,336.62 : x - Step 2: Convert to fraction form
75,160.18/103,671.10 = 48,336.62/x - Step 3: Cross multiply
75,160.18x = 103,671.10 × 48,336.62 - Step 4: Simplify right side
75,160.18x = 5,011,110,565.68 - Step 5: Solve for x
x = 5,011,110,565.68/75,160.18 - Step 6: Final answer
x = 66,672.41
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1.5x scale
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.