Finding the Fourth Proportional to 73,419.21, 101,303.97 and 43,205.81
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Solution
The fourth proportional to 73,419.21, 101,303.97 and 43,205.81 is: 59,615.45
Step by Step Solution
- Step 1: Write the proportion equation
73,419.21 : 101,303.97 = 43,205.81 : x - Step 2: Convert to fraction form
73,419.21/101,303.97 = 43,205.81/x - Step 3: Cross multiply
73,419.21x = 101,303.97 × 43,205.81 - Step 4: Simplify right side
73,419.21x = 4,376,919,411.52 - Step 5: Solve for x
x = 4,376,919,411.52/73,419.21 - Step 6: Final answer
x = 59,615.45
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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.