Finding the Fourth Proportional to 76,703.42, 115,008.15 and 29,901.62
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Solution
The fourth proportional to 76,703.42, 115,008.15 and 29,901.62 is: 44,834.12
Step by Step Solution
- Step 1: Write the proportion equation
76,703.42 : 115,008.15 = 29,901.62 : x - Step 2: Convert to fraction form
76,703.42/115,008.15 = 29,901.62/x - Step 3: Cross multiply
76,703.42x = 115,008.15 × 29,901.62 - Step 4: Simplify right side
76,703.42x = 3,438,929,998.20 - Step 5: Solve for x
x = 3,438,929,998.20/76,703.42 - Step 6: Final answer
x = 44,834.12
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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.