Finding the Fourth Proportional to 92,507.10, 138,803.02 and 50,323.96
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Solution
The fourth proportional to 92,507.10, 138,803.02 and 50,323.96 is: 75,508.99
Step by Step Solution
- Step 1: Write the proportion equation
92,507.10 : 138,803.02 = 50,323.96 : x - Step 2: Convert to fraction form
92,507.10/138,803.02 = 50,323.96/x - Step 3: Cross multiply
92,507.10x = 138,803.02 × 50,323.96 - Step 4: Simplify right side
92,507.10x = 6,985,117,674.05 - Step 5: Solve for x
x = 6,985,117,674.05/92,507.10 - Step 6: Final answer
x = 75,508.99
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1.5x scale
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.