Finding the Fourth Proportional to 74,344.34, 111,515.04 and 29,970.08
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Solution
The fourth proportional to 74,344.34, 111,515.04 and 29,970.08 is: 44,954.53
Step by Step Solution
- Step 1: Write the proportion equation
74,344.34 : 111,515.04 = 29,970.08 : x - Step 2: Convert to fraction form
74,344.34/111,515.04 = 29,970.08/x - Step 3: Cross multiply
74,344.34x = 111,515.04 × 29,970.08 - Step 4: Simplify right side
74,344.34x = 3,342,114,670.00 - Step 5: Solve for x
x = 3,342,114,670.00/74,344.34 - Step 6: Final answer
x = 44,954.53
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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.