Finding the Fourth Proportional to 92,327.15, 138,438.77 and 29,135.50
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Solution
The fourth proportional to 92,327.15, 138,438.77 and 29,135.50 is: 43,686.85
Step by Step Solution
- Step 1: Write the proportion equation
92,327.15 : 138,438.77 = 29,135.50 : x - Step 2: Convert to fraction form
92,327.15/138,438.77 = 29,135.50/x - Step 3: Cross multiply
92,327.15x = 138,438.77 × 29,135.50 - Step 4: Simplify right side
92,327.15x = 4,033,482,291.56 - Step 5: Solve for x
x = 4,033,482,291.56/92,327.15 - Step 6: Final answer
x = 43,686.85
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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.