Finding the Fourth Proportional to 77,057.98, 115,609.11 and 32,070.58
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Solution
The fourth proportional to 77,057.98, 115,609.11 and 32,070.58 is: 48,115.08
Step by Step Solution
- Step 1: Write the proportion equation
77,057.98 : 115,609.11 = 32,070.58 : x - Step 2: Convert to fraction form
77,057.98/115,609.11 = 32,070.58/x - Step 3: Cross multiply
77,057.98x = 115,609.11 × 32,070.58 - Step 4: Simplify right side
77,057.98x = 3,707,651,210.98 - Step 5: Solve for x
x = 3,707,651,210.98/77,057.98 - Step 6: Final answer
x = 48,115.08
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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.