Finding the Fourth Proportional to 72,157.39, 108,237.53 and 24,772.19
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Solution
The fourth proportional to 72,157.39, 108,237.53 and 24,772.19 is: 37,158.78
Step by Step Solution
- Step 1: Write the proportion equation
72,157.39 : 108,237.53 = 24,772.19 : x - Step 2: Convert to fraction form
72,157.39/108,237.53 = 24,772.19/x - Step 3: Cross multiply
72,157.39x = 108,237.53 × 24,772.19 - Step 4: Simplify right side
72,157.39x = 2,681,280,179.03 - Step 5: Solve for x
x = 2,681,280,179.03/72,157.39 - Step 6: Final answer
x = 37,158.78
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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.