Finding the Fourth Proportional to 75,159.67, 103,670.51 and 48,336.12
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Solution
The fourth proportional to 75,159.67, 103,670.51 and 48,336.12 is: 66,671.80
Step by Step Solution
- Step 1: Write the proportion equation
75,159.67 : 103,670.51 = 48,336.12 : x - Step 2: Convert to fraction form
75,159.67/103,670.51 = 48,336.12/x - Step 3: Cross multiply
75,159.67x = 103,670.51 × 48,336.12 - Step 4: Simplify right side
75,159.67x = 5,011,030,211.82 - Step 5: Solve for x
x = 5,011,030,211.82/75,159.67 - Step 6: Final answer
x = 66,671.80
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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.