Finding the Fourth Proportional to 74,756.64, 112,115.84 and 22,153.80
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Solution
The fourth proportional to 74,756.64, 112,115.84 and 22,153.80 is: 33,225.03
Step by Step Solution
- Step 1: Write the proportion equation
74,756.64 : 112,115.84 = 22,153.80 : x - Step 2: Convert to fraction form
74,756.64/112,115.84 = 22,153.80/x - Step 3: Cross multiply
74,756.64x = 112,115.84 × 22,153.80 - Step 4: Simplify right side
74,756.64x = 2,483,791,896.19 - Step 5: Solve for x
x = 2,483,791,896.19/74,756.64 - Step 6: Final answer
x = 33,225.03
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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.