Finding the Fourth Proportional to 92,984.62, 128,318.01 and 50,543.02
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Solution
The fourth proportional to 92,984.62, 128,318.01 and 50,543.02 is: 69,748.95
Step by Step Solution
- Step 1: Write the proportion equation
92,984.62 : 128,318.01 = 50,543.02 : x - Step 2: Convert to fraction form
92,984.62/128,318.01 = 50,543.02/x - Step 3: Cross multiply
92,984.62x = 128,318.01 × 50,543.02 - Step 4: Simplify right side
92,984.62x = 6,485,579,745.79 - Step 5: Solve for x
x = 6,485,579,745.79/92,984.62 - Step 6: Final answer
x = 69,748.95
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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.