Finding the Fourth Proportional to 113,794.79, 170,607.94 and 54,574.07
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Solution
The fourth proportional to 113,794.79, 170,607.94 and 54,574.07 is: 81,820.70
Step by Step Solution
- Step 1: Write the proportion equation
113,794.79 : 170,607.94 = 54,574.07 : x - Step 2: Convert to fraction form
113,794.79/170,607.94 = 54,574.07/x - Step 3: Cross multiply
113,794.79x = 170,607.94 × 54,574.07 - Step 4: Simplify right side
113,794.79x = 9,310,768,670.64 - Step 5: Solve for x
x = 9,310,768,670.64/113,794.79 - Step 6: Final answer
x = 81,820.70
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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.