Finding the Fourth Proportional to 94,749.14, 130,748.21 and 51,720.09
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Solution
The fourth proportional to 94,749.14, 130,748.21 and 51,720.09 is: 71,370.66
Step by Step Solution
- Step 1: Write the proportion equation
94,749.14 : 130,748.21 = 51,720.09 : x - Step 2: Convert to fraction form
94,749.14/130,748.21 = 51,720.09/x - Step 3: Cross multiply
94,749.14x = 130,748.21 × 51,720.09 - Step 4: Simplify right side
94,749.14x = 6,762,308,633.58 - Step 5: Solve for x
x = 6,762,308,633.58/94,749.14 - Step 6: Final answer
x = 71,370.66
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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.