Finding the Fourth Proportional to 68,752.24, 103,113.51 and 24,380.44
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Solution
The fourth proportional to 68,752.24, 103,113.51 and 24,380.44 is: 36,565.39
Step by Step Solution
- Step 1: Write the proportion equation
68,752.24 : 103,113.51 = 24,380.44 : x - Step 2: Convert to fraction form
68,752.24/103,113.51 = 24,380.44/x - Step 3: Cross multiply
68,752.24x = 103,113.51 × 24,380.44 - Step 4: Simplify right side
68,752.24x = 2,513,952,743.74 - Step 5: Solve for x
x = 2,513,952,743.74/68,752.24 - Step 6: Final answer
x = 36,565.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.