Finding the Fourth Proportional to 92,974.36, 128,305.62 and 50,532.90
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Solution
The fourth proportional to 92,974.36, 128,305.62 and 50,532.90 is: 69,735.95
Step by Step Solution
- Step 1: Write the proportion equation
92,974.36 : 128,305.62 = 50,532.90 : x - Step 2: Convert to fraction form
92,974.36/128,305.62 = 50,532.90/x - Step 3: Cross multiply
92,974.36x = 128,305.62 × 50,532.90 - Step 4: Simplify right side
92,974.36x = 6,483,655,064.90 - Step 5: Solve for x
x = 6,483,655,064.90/92,974.36 - Step 6: Final answer
x = 69,735.95
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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.