Finding the Fourth Proportional to 75,310.68, 103,885.56 and 46,967.16
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Solution
The fourth proportional to 75,310.68, 103,885.56 and 46,967.16 is: 64,787.75
Step by Step Solution
- Step 1: Write the proportion equation
75,310.68 : 103,885.56 = 46,967.16 : x - Step 2: Convert to fraction form
75,310.68/103,885.56 = 46,967.16/x - Step 3: Cross multiply
75,310.68x = 103,885.56 × 46,967.16 - Step 4: Simplify right side
75,310.68x = 4,879,209,718.21 - Step 5: Solve for x
x = 4,879,209,718.21/75,310.68 - Step 6: Final answer
x = 64,787.75
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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.