Finding the Fourth Proportional to 79,007.46, 118,557.96 and 29,122.59
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Solution
The fourth proportional to 79,007.46, 118,557.96 and 29,122.59 is: 43,701.12
Step by Step Solution
- Step 1: Write the proportion equation
79,007.46 : 118,557.96 = 29,122.59 : x - Step 2: Convert to fraction form
79,007.46/118,557.96 = 29,122.59/x - Step 3: Cross multiply
79,007.46x = 118,557.96 × 29,122.59 - Step 4: Simplify right side
79,007.46x = 3,452,714,860.32 - Step 5: Solve for x
x = 3,452,714,860.32/79,007.46 - Step 6: Final answer
x = 43,701.12
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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.