Finding the Fourth Proportional to 113,798.23, 170,642.81 and 53,776.75
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Solution
The fourth proportional to 113,798.23, 170,642.81 and 53,776.75 is: 80,639.35
Step by Step Solution
- Step 1: Write the proportion equation
113,798.23 : 170,642.81 = 53,776.75 : x - Step 2: Convert to fraction form
113,798.23/170,642.81 = 53,776.75/x - Step 3: Cross multiply
113,798.23x = 170,642.81 × 53,776.75 - Step 4: Simplify right side
113,798.23x = 9,176,615,732.67 - Step 5: Solve for x
x = 9,176,615,732.67/113,798.23 - Step 6: Final answer
x = 80,639.35
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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.