Finding the Fourth Proportional to 84,374.10, 126,593.55 and 83,045.70
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Solution
The fourth proportional to 84,374.10, 126,593.55 and 83,045.70 is: 124,600.44
Step by Step Solution
- Step 1: Write the proportion equation
84,374.10 : 126,593.55 = 83,045.70 : x - Step 2: Convert to fraction form
84,374.10/126,593.55 = 83,045.70/x - Step 3: Cross multiply
84,374.10x = 126,593.55 × 83,045.70 - Step 4: Simplify right side
84,374.10x = 10,513,049,975.24 - Step 5: Solve for x
x = 10,513,049,975.24/84,374.10 - Step 6: Final answer
x = 124,600.44
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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.