Finding the Fourth Proportional to 89,984.72, 124,202.93 and 51,748.44
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Solution
The fourth proportional to 89,984.72, 124,202.93 and 51,748.44 is: 71,426.66
Step by Step Solution
- Step 1: Write the proportion equation
89,984.72 : 124,202.93 = 51,748.44 : x - Step 2: Convert to fraction form
89,984.72/124,202.93 = 51,748.44/x - Step 3: Cross multiply
89,984.72x = 124,202.93 × 51,748.44 - Step 4: Simplify right side
89,984.72x = 6,427,307,612.19 - Step 5: Solve for x
x = 6,427,307,612.19/89,984.72 - Step 6: Final answer
x = 71,426.66
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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.