Finding the Fourth Proportional to 73,405.68, 110,134.66 and 45,293.02
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Solution
The fourth proportional to 73,405.68, 110,134.66 and 45,293.02 is: 67,955.66
Step by Step Solution
- Step 1: Write the proportion equation
73,405.68 : 110,134.66 = 45,293.02 : x - Step 2: Convert to fraction form
73,405.68/110,134.66 = 45,293.02/x - Step 3: Cross multiply
73,405.68x = 110,134.66 × 45,293.02 - Step 4: Simplify right side
73,405.68x = 4,988,331,358.07 - Step 5: Solve for x
x = 4,988,331,358.07/73,405.68 - Step 6: Final answer
x = 67,955.66
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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.