Finding the Fourth Proportional to 94,739.05, 130,737.94 and 54,451.77
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Solution
The fourth proportional to 94,739.05, 130,737.94 and 54,451.77 is: 75,142.32
Step by Step Solution
- Step 1: Write the proportion equation
94,739.05 : 130,737.94 = 54,451.77 : x - Step 2: Convert to fraction form
94,739.05/130,737.94 = 54,451.77/x - Step 3: Cross multiply
94,739.05x = 130,737.94 × 54,451.77 - Step 4: Simplify right side
94,739.05x = 7,118,912,239.15 - Step 5: Solve for x
x = 7,118,912,239.15/94,739.05 - Step 6: Final answer
x = 75,142.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.