Finding the Fourth Proportional to 94,312.91, 130,149.99 and 51,871.44
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Solution
The fourth proportional to 94,312.91, 130,149.99 and 51,871.44 is: 71,581.58
Step by Step Solution
- Step 1: Write the proportion equation
94,312.91 : 130,149.99 = 51,871.44 : x - Step 2: Convert to fraction form
94,312.91/130,149.99 = 51,871.44/x - Step 3: Cross multiply
94,312.91x = 130,149.99 × 51,871.44 - Step 4: Simplify right side
94,312.91x = 6,751,067,153.25 - Step 5: Solve for x
x = 6,751,067,153.25/94,312.91 - Step 6: Final answer
x = 71,581.58
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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.