Finding the Fourth Proportional to 79,076.15, 118,595.59 and 29,129.12
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Solution
The fourth proportional to 79,076.15, 118,595.59 and 29,129.12 is: 43,686.82
Step by Step Solution
- Step 1: Write the proportion equation
79,076.15 : 118,595.59 = 29,129.12 : x - Step 2: Convert to fraction form
79,076.15/118,595.59 = 29,129.12/x - Step 3: Cross multiply
79,076.15x = 118,595.59 × 29,129.12 - Step 4: Simplify right side
79,076.15x = 3,454,585,172.58 - Step 5: Solve for x
x = 3,454,585,172.58/79,076.15 - Step 6: Final answer
x = 43,686.82
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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.