Finding the Fourth Proportional to 73,397.10, 101,330.01 and 48,319.50
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Solution
The fourth proportional to 73,397.10, 101,330.01 and 48,319.50 is: 66,708.57
Step by Step Solution
- Step 1: Write the proportion equation
73,397.10 : 101,330.01 = 48,319.50 : x - Step 2: Convert to fraction form
73,397.10/101,330.01 = 48,319.50/x - Step 3: Cross multiply
73,397.10x = 101,330.01 × 48,319.50 - Step 4: Simplify right side
73,397.10x = 4,896,215,418.20 - Step 5: Solve for x
x = 4,896,215,418.20/73,397.10 - Step 6: Final answer
x = 66,708.57
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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.