Finding the Fourth Proportional to 74,756.44, 112,115.53 and 22,153.65
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Solution
The fourth proportional to 74,756.44, 112,115.53 and 22,153.65 is: 33,224.81
Step by Step Solution
- Step 1: Write the proportion equation
74,756.44 : 112,115.53 = 22,153.65 : x - Step 2: Convert to fraction form
74,756.44/112,115.53 = 22,153.65/x - Step 3: Cross multiply
74,756.44x = 112,115.53 × 22,153.65 - Step 4: Simplify right side
74,756.44x = 2,483,768,211.18 - Step 5: Solve for x
x = 2,483,768,211.18/74,756.44 - Step 6: Final answer
x = 33,224.81
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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.