Finding the Fourth Proportional to 74,022.71, 110,984.74 and 40,758.44
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Solution
The fourth proportional to 74,022.71, 110,984.74 and 40,758.44 is: 61,110.50
Step by Step Solution
- Step 1: Write the proportion equation
74,022.71 : 110,984.74 = 40,758.44 : x - Step 2: Convert to fraction form
74,022.71/110,984.74 = 40,758.44/x - Step 3: Cross multiply
74,022.71x = 110,984.74 × 40,758.44 - Step 4: Simplify right side
74,022.71x = 4,523,564,209.39 - Step 5: Solve for x
x = 4,523,564,209.39/74,022.71 - Step 6: Final answer
x = 61,110.50
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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.