Finding the Fourth Proportional to 75,976.05, 113,968.95 and 29,228.93
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Solution
The fourth proportional to 75,976.05, 113,968.95 and 29,228.93 is: 43,845.26
Step by Step Solution
- Step 1: Write the proportion equation
75,976.05 : 113,968.95 = 29,228.93 : x - Step 2: Convert to fraction form
75,976.05/113,968.95 = 29,228.93/x - Step 3: Cross multiply
75,976.05x = 113,968.95 × 29,228.93 - Step 4: Simplify right side
75,976.05x = 3,331,190,209.65 - Step 5: Solve for x
x = 3,331,190,209.65/75,976.05 - Step 6: Final answer
x = 43,845.26
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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.