Finding the Fourth Proportional to 83,224.78, 124,911.35 and 38,876.53
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Solution
The fourth proportional to 83,224.78, 124,911.35 and 38,876.53 is: 58,349.45
Step by Step Solution
- Step 1: Write the proportion equation
83,224.78 : 124,911.35 = 38,876.53 : x - Step 2: Convert to fraction form
83,224.78/124,911.35 = 38,876.53/x - Step 3: Cross multiply
83,224.78x = 124,911.35 × 38,876.53 - Step 4: Simplify right side
83,224.78x = 4,856,119,845.62 - Step 5: Solve for x
x = 4,856,119,845.62/83,224.78 - Step 6: Final answer
x = 58,349.45
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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.