Finding the Fourth Proportional to 94,741.19, 130,742.87 and 52,299.75
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Solution
The fourth proportional to 94,741.19, 130,742.87 and 52,299.75 is: 72,173.67
Step by Step Solution
- Step 1: Write the proportion equation
94,741.19 : 130,742.87 = 52,299.75 : x - Step 2: Convert to fraction form
94,741.19/130,742.87 = 52,299.75/x - Step 3: Cross multiply
94,741.19x = 130,742.87 × 52,299.75 - Step 4: Simplify right side
94,741.19x = 6,837,819,153.78 - Step 5: Solve for x
x = 6,837,819,153.78/94,741.19 - Step 6: Final answer
x = 72,173.67
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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.