Finding the Fourth Proportional to 94,911.68, 130,977.44 and 52,469.44
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Solution
The fourth proportional to 94,911.68, 130,977.44 and 52,469.44 is: 72,407.45
Step by Step Solution
- Step 1: Write the proportion equation
94,911.68 : 130,977.44 = 52,469.44 : x - Step 2: Convert to fraction form
94,911.68/130,977.44 = 52,469.44/x - Step 3: Cross multiply
94,911.68x = 130,977.44 × 52,469.44 - Step 4: Simplify right side
94,911.68x = 6,872,312,929.43 - Step 5: Solve for x
x = 6,872,312,929.43/94,911.68 - Step 6: Final answer
x = 72,407.45
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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.