Finding the Fourth Proportional to 74,644.74, 111,970.35 and 24,729.30
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Solution
The fourth proportional to 74,644.74, 111,970.35 and 24,729.30 is: 37,095.02
Step by Step Solution
- Step 1: Write the proportion equation
74,644.74 : 111,970.35 = 24,729.30 : x - Step 2: Convert to fraction form
74,644.74/111,970.35 = 24,729.30/x - Step 3: Cross multiply
74,644.74x = 111,970.35 × 24,729.30 - Step 4: Simplify right side
74,644.74x = 2,768,948,376.26 - Step 5: Solve for x
x = 2,768,948,376.26/74,644.74 - Step 6: Final answer
x = 37,095.02
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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.