Finding the Fourth Proportional to 74,749.17, 112,169.53 and 29,792.09
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Solution
The fourth proportional to 74,749.17, 112,169.53 and 29,792.09 is: 44,706.38
Step by Step Solution
- Step 1: Write the proportion equation
74,749.17 : 112,169.53 = 29,792.09 : x - Step 2: Convert to fraction form
74,749.17/112,169.53 = 29,792.09/x - Step 3: Cross multiply
74,749.17x = 112,169.53 × 29,792.09 - Step 4: Simplify right side
74,749.17x = 3,341,765,050.68 - Step 5: Solve for x
x = 3,341,765,050.68/74,749.17 - Step 6: Final answer
x = 44,706.38
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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.