Finding the Fourth Proportional to 73,397.95, 101,289.69 and 39,863.95
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Solution
The fourth proportional to 73,397.95, 101,289.69 and 39,863.95 is: 55,012.53
Step by Step Solution
- Step 1: Write the proportion equation
73,397.95 : 101,289.69 = 39,863.95 : x - Step 2: Convert to fraction form
73,397.95/101,289.69 = 39,863.95/x - Step 3: Cross multiply
73,397.95x = 101,289.69 × 39,863.95 - Step 4: Simplify right side
73,397.95x = 4,037,806,431.91 - Step 5: Solve for x
x = 4,037,806,431.91/73,397.95 - Step 6: Final answer
x = 55,012.53
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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.