Finding the Fourth Proportional to 92,487.79, 138,736.46 and 29,314.62
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Solution
The fourth proportional to 92,487.79, 138,736.46 and 29,314.62 is: 43,973.45
Step by Step Solution
- Step 1: Write the proportion equation
92,487.79 : 138,736.46 = 29,314.62 : x - Step 2: Convert to fraction form
92,487.79/138,736.46 = 29,314.62/x - Step 3: Cross multiply
92,487.79x = 138,736.46 × 29,314.62 - Step 4: Simplify right side
92,487.79x = 4,067,006,605.05 - Step 5: Solve for x
x = 4,067,006,605.05/92,487.79 - Step 6: Final answer
x = 43,973.45
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1.5x scale
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.