Finding the Fourth Proportional to 76,737.99, 115,106.18 and 29,990.46
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Solution
The fourth proportional to 76,737.99, 115,106.18 and 29,990.46 is: 44,985.37
Step by Step Solution
- Step 1: Write the proportion equation
76,737.99 : 115,106.18 = 29,990.46 : x - Step 2: Convert to fraction form
76,737.99/115,106.18 = 29,990.46/x - Step 3: Cross multiply
76,737.99x = 115,106.18 × 29,990.46 - Step 4: Simplify right side
76,737.99x = 3,452,087,287.18 - Step 5: Solve for x
x = 3,452,087,287.18/76,737.99 - Step 6: Final answer
x = 44,985.37
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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.