Finding the Fourth Proportional to 76,774.98, 115,117.10 and 29,393.54
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Solution
The fourth proportional to 76,774.98, 115,117.10 and 29,393.54 is: 44,072.94
Step by Step Solution
- Step 1: Write the proportion equation
76,774.98 : 115,117.10 = 29,393.54 : x - Step 2: Convert to fraction form
76,774.98/115,117.10 = 29,393.54/x - Step 3: Cross multiply
76,774.98x = 115,117.10 × 29,393.54 - Step 4: Simplify right side
76,774.98x = 3,383,698,712.60 - Step 5: Solve for x
x = 3,383,698,712.60/76,774.98 - Step 6: Final answer
x = 44,072.94
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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.