Finding the Fourth Proportional to 84,285.56, 116,317.42 and 48,475.53
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Solution
The fourth proportional to 84,285.56, 116,317.42 and 48,475.53 is: 66,898.15
Step by Step Solution
- Step 1: Write the proportion equation
84,285.56 : 116,317.42 = 48,475.53 : x - Step 2: Convert to fraction form
84,285.56/116,317.42 = 48,475.53/x - Step 3: Cross multiply
84,285.56x = 116,317.42 × 48,475.53 - Step 4: Simplify right side
84,285.56x = 5,638,548,461.54 - Step 5: Solve for x
x = 5,638,548,461.54/84,285.56 - Step 6: Final answer
x = 66,898.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.