Finding the Fourth Proportional to 73,708.18, 101,688.42 and 45,364.66
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Solution
The fourth proportional to 73,708.18, 101,688.42 and 45,364.66 is: 62,585.46
Step by Step Solution
- Step 1: Write the proportion equation
73,708.18 : 101,688.42 = 45,364.66 : x - Step 2: Convert to fraction form
73,708.18/101,688.42 = 45,364.66/x - Step 3: Cross multiply
73,708.18x = 101,688.42 × 45,364.66 - Step 4: Simplify right side
73,708.18x = 4,613,060,599.24 - Step 5: Solve for x
x = 4,613,060,599.24/73,708.18 - Step 6: Final answer
x = 62,585.46
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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.