Finding the Fourth Proportional to 70,945.81, 106,418.72 and 24,199.09
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Solution
The fourth proportional to 70,945.81, 106,418.72 and 24,199.09 is: 36,298.64
Step by Step Solution
- Step 1: Write the proportion equation
70,945.81 : 106,418.72 = 24,199.09 : x - Step 2: Convert to fraction form
70,945.81/106,418.72 = 24,199.09/x - Step 3: Cross multiply
70,945.81x = 106,418.72 × 24,199.09 - Step 4: Simplify right side
70,945.81x = 2,575,236,182.96 - Step 5: Solve for x
x = 2,575,236,182.96/70,945.81 - Step 6: Final answer
x = 36,298.64
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1.5x scale
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.