Finding the Fourth Proportional to 84,011.08, 115,934.34 and 48,201.88
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Solution
The fourth proportional to 84,011.08, 115,934.34 and 48,201.88 is: 66,518.05
Step by Step Solution
- Step 1: Write the proportion equation
84,011.08 : 115,934.34 = 48,201.88 : x - Step 2: Convert to fraction form
84,011.08/115,934.34 = 48,201.88/x - Step 3: Cross multiply
84,011.08x = 115,934.34 × 48,201.88 - Step 4: Simplify right side
84,011.08x = 5,588,253,144.56 - Step 5: Solve for x
x = 5,588,253,144.56/84,011.08 - Step 6: Final answer
x = 66,518.05
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1.5x scale
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.