Finding the Fourth Proportional to 77,378.18, 116,076.78 and 29,994.08
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Solution
The fourth proportional to 77,378.18, 116,076.78 and 29,994.08 is: 44,994.80
Step by Step Solution
- Step 1: Write the proportion equation
77,378.18 : 116,076.78 = 29,994.08 : x - Step 2: Convert to fraction form
77,378.18/116,076.78 = 29,994.08/x - Step 3: Cross multiply
77,378.18x = 116,076.78 × 29,994.08 - Step 4: Simplify right side
77,378.18x = 3,481,615,645.08 - Step 5: Solve for x
x = 3,481,615,645.08/77,378.18 - Step 6: Final answer
x = 44,994.80
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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.